Journal of Applied Research of Chemical -Polymer Engineering

Home

Guide for Authors

Submit Manuscript

Reviewers

Contact Us

Keyword Index
A
  • Abrasion Epoxy Modification by Polyurethane and Its Effects on Abrasion and Adhesion Properties [Volume 5, Issue 3, 2021, Pages 83-94]
  • Acetylene Study of the effect of operating parameters on the performance of acetylene hydrogenation reactors [Volume 5, Issue 2, 2021, Pages 91-104]
  • Activated carbon Investigation of Lignin-based activated carbon synthesis parameters on its structural properties [Volume 5, Issue 3, 2021, Pages 71-81]
  • Adhesion Epoxy Modification by Polyurethane and Its Effects on Abrasion and Adhesion Properties [Volume 5, Issue 3, 2021, Pages 83-94]
  • Adhesion of rubber to fibers Study of operating conditions of silica extraction from rice husk for Special use in rubber [Volume 5, Issue 2, 2021, Pages 65-77]
  • Adsorbent Investigation of Lignin-based activated carbon synthesis parameters on its structural properties [Volume 5, Issue 3, 2021, Pages 71-81]
  • Adsorption kinetics EDTA-functionalized Fe3O4@SiO2 magnetic nanoadsorbent for divalent cadmium removal from aqueous solutions [Volume 5, Issue 3, 2021, Pages 95-106]
  • Albumin magnetic nanoparticles The effect of 5-fluorouracil loaded albumin magnetic nanoparticles on viability and cell cycle of human breast cancer MCF-7 cell line [Volume 5, Issue 1, 2021, Pages 31-41]
  • Alkaline extraction Study of operating conditions of silica extraction from rice husk for Special use in rubber [Volume 5, Issue 2, 2021, Pages 65-77]
  • Alkanolamine Modeling Viscosity of Ionic Liquids and Akanolamines Mixtures Using Peng-Robinson and Soave-Redlich-Kwong Equation of States with Friction Theory [Volume 5, Issue 4, 2021, Pages 39-54]
  • Alkylation of m‐Cresol Applying Artificial Neural Network in Prediction behavior of alkylation of m-Cresol with isopropanol process and yield optimization by Bee Colony algorithm [Volume 5, Issue 4, 2021, Pages 69-78]
  • Ammonium Fluoride The role of hierarchical Y zeolites on the catalyst performance of diesel Hydrodesulfurization Process [Volume 5, Issue 3, 2021, Pages 37-27]
  • Antibacterial properties Preparation and study of physical and mechanical behavior of polylactic acid bionanocomposites reinforced with Cellulose Nanocrystal and silver nanoparticles [Volume 5, Issue 3, 2021, Pages 25-13]
  • Anti-cancer drug Determination of the solubility of anticancer drugs in supercritical carbon dioxide using empirical models and artificial neural network [Volume 5, Issue 4, 2021, Pages 15-37]
B
  • Bacterial cellulose Fabrication of nanocomposite scaffold based on bacterial cellulose/zinc oxide nanoparticles/polypyrrole with antibacterial and cytotoxicity assessment [Volume 5, Issue 2, 2021, Pages 37-50]
  • Bee Colony Algorithm Applying Artificial Neural Network in Prediction behavior of alkylation of m-Cresol with isopropanol process and yield optimization by Bee Colony algorithm [Volume 5, Issue 4, 2021, Pages 69-78]
  • Bioactivity Bioactive rod-like nanoparticles as novel filler for improving the properties of supramolecular polyester: synthesis and application [Volume 5, Issue 3, 2021, Pages 57-69]
  • Biocompatibility Fabrication of nanocomposite scaffold based on bacterial cellulose/zinc oxide nanoparticles/polypyrrole with antibacterial and cytotoxicity assessment [Volume 5, Issue 2, 2021, Pages 37-50]
  • Bio-hydrogen Substrate concentration control in a bio-reactor for bio-hydrogen production via feedback linearization [Volume 5, Issue 4, 2021, Pages 91-103]
  • Biomass Study of operating conditions of silica extraction from rice husk for Special use in rubber [Volume 5, Issue 2, 2021, Pages 65-77]
  • Bionanocomposites Preparation and study of physical and mechanical behavior of polylactic acid bionanocomposites reinforced with Cellulose Nanocrystal and silver nanoparticles [Volume 5, Issue 3, 2021, Pages 25-13]
  • Bio-reactor Substrate concentration control in a bio-reactor for bio-hydrogen production via feedback linearization [Volume 5, Issue 4, 2021, Pages 91-103]
  • Bivalent cadmium EDTA-functionalized Fe3O4@SiO2 magnetic nanoadsorbent for divalent cadmium removal from aqueous solutions [Volume 5, Issue 3, 2021, Pages 95-106]
  • Black Liquor Investigation of Lignin-based activated carbon synthesis parameters on its structural properties [Volume 5, Issue 3, 2021, Pages 71-81]
  • Blending Epoxy Modification by Polyurethane and Its Effects on Abrasion and Adhesion Properties [Volume 5, Issue 3, 2021, Pages 83-94]
  • Boiler feed water Control of flooding phenomena in vacuum distillation tray column using operational and laboratory parameters [Volume 5, Issue 2, 2021, Pages 51-63]
  • Burning rate catalysts Poly (Vinyl Ferrocene)/Hydroxyl terminated polybutadiene (PVF/HTPB) blend as a Catalyst: Preparation, Characterization and Comparison [Volume 5, Issue 4, 2021, Pages 79-90]
C
  • Casing Temperature Changes in Oil Wells and Its Effect on Tubulars Stress Condition [Volume 5, Issue 3, 2021, Pages 12-3]
  • Cationic-Polyacrylamide Cationic PolyAcrylamide/Cellulose Nanofibril Polyelectrolytes Effect on Suspension and Network Properties of Packaging Recycled fibers [Volume 5, Issue 1, 2021, Pages 3-15]
  • Cellulose nanocrystals Preparation and study of physical and mechanical behavior of polylactic acid bionanocomposites reinforced with Cellulose Nanocrystal and silver nanoparticles [Volume 5, Issue 3, 2021, Pages 25-13]
  • Cellulose-Nanofibril Cationic PolyAcrylamide/Cellulose Nanofibril Polyelectrolytes Effect on Suspension and Network Properties of Packaging Recycled fibers [Volume 5, Issue 1, 2021, Pages 3-15]
  • Cerium‌(IV) Solvent extraction of Ce(IV) from sulfuric acid solutions using Cyanex 921 and its mixtures with D2EHPA [Volume 5, Issue 1, 2021, Pages 87-103]
  • Coal tar Control of flooding phenomena in vacuum distillation tray column using operational and laboratory parameters [Volume 5, Issue 2, 2021, Pages 51-63]
  • Coking value index Control of flooding phenomena in vacuum distillation tray column using operational and laboratory parameters [Volume 5, Issue 2, 2021, Pages 51-63]
  • Completion Temperature Changes in Oil Wells and Its Effect on Tubulars Stress Condition [Volume 5, Issue 3, 2021, Pages 12-3]
  • Comsol Multiphysics Simulation of Hydrogel Injection in Micro-Model and Prediction of Oil Recovery Factor [Volume 5, Issue 4, 2021, Pages 3-13]
  • Copper anod slimes Leaching and recovery of selenium from Sar-cheshmeh copper anode slimes [Volume 5, Issue 1, 2021, Pages 57-67]
  • CuO/TiO2/PAM Concentration-Behavioral, Adsorption, Flooding, Relative Permeability Studies of Polymer Nanocomposite in Two Reservoir Lithologies [Volume 5, Issue 1, 2021, Pages 69-86]
  • Cyanex 921 Solvent extraction of Ce(IV) from sulfuric acid solutions using Cyanex 921 and its mixtures with D2EHPA [Volume 5, Issue 1, 2021, Pages 87-103]
D
  • D2EHPA Solvent extraction of Ce(IV) from sulfuric acid solutions using Cyanex 921 and its mixtures with D2EHPA [Volume 5, Issue 1, 2021, Pages 87-103]
  • Dealumination The role of hierarchical Y zeolites on the catalyst performance of diesel Hydrodesulfurization Process [Volume 5, Issue 3, 2021, Pages 37-27]
  • Design on experiment Simulation of glycerol and biodiesel production process with numerical analysis and optimization of transesterification reactor by response surface method (RSM) [Volume 5, Issue 4, 2021, Pages 105-117]
  • DSC Investigating the Effect of DBTDL Catalyst on Curing Kinetic of Polyurethane using Differential Scanning Calorimetry: HTPB/TDI vs. HTPB/IPDI [Volume 5, Issue 1, 2021, Pages 43-55]
E
  • Effective removal EDTA-functionalized Fe3O4@SiO2 magnetic nanoadsorbent for divalent cadmium removal from aqueous solutions [Volume 5, Issue 3, 2021, Pages 95-106]
  • Empirical model Determination of the solubility of anticancer drugs in supercritical carbon dioxide using empirical models and artificial neural network [Volume 5, Issue 4, 2021, Pages 15-37]
  • Enhanced oil recovery Concentration-Behavioral, Adsorption, Flooding, Relative Permeability Studies of Polymer Nanocomposite in Two Reservoir Lithologies [Volume 5, Issue 1, 2021, Pages 69-86]
  • Enhanced oil recovery Simulation of Hydrogel Injection in Micro-Model and Prediction of Oil Recovery Factor [Volume 5, Issue 4, 2021, Pages 3-13]
  • Epoxy Epoxy Modification by Polyurethane and Its Effects on Abrasion and Adhesion Properties [Volume 5, Issue 3, 2021, Pages 83-94]
  • Ethylene diamine tetraacetic acid EDTA-functionalized Fe3O4@SiO2 magnetic nanoadsorbent for divalent cadmium removal from aqueous solutions [Volume 5, Issue 3, 2021, Pages 95-106]
  • Ethylene selectivity Study of the effect of operating parameters on the performance of acetylene hydrogenation reactors [Volume 5, Issue 2, 2021, Pages 91-104]
  • Expandable Poly Styrene Investigation of influence of the Styrene Butadiene Styrene on the properties of the Expandable Poly Styrene and simulation of its laboratory data via Artificial Neural Networks [Volume 5, Issue 2, 2021, Pages 105-116]
  • Extruder Optimization of mechanical properties of PP-polymer foam fabricated via extruder [Volume 5, Issue 1, 2021, Pages 105-120]
F
  • Fe3O4@SiO2 nanocomposite EDTA-functionalized Fe3O4@SiO2 magnetic nanoadsorbent for divalent cadmium removal from aqueous solutions [Volume 5, Issue 3, 2021, Pages 95-106]
  • Feedback linearization Substrate concentration control in a bio-reactor for bio-hydrogen production via feedback linearization [Volume 5, Issue 4, 2021, Pages 91-103]
  • Ferrocene Poly (Vinyl Ferrocene)/Hydroxyl terminated polybutadiene (PVF/HTPB) blend as a Catalyst: Preparation, Characterization and Comparison [Volume 5, Issue 4, 2021, Pages 79-90]
  • Ferrocene based catalyst Poly (Vinyl Ferrocene)/Hydroxyl terminated polybutadiene (PVF/HTPB) blend as a Catalyst: Preparation, Characterization and Comparison [Volume 5, Issue 4, 2021, Pages 79-90]
  • Fibrous suspension and network Cationic PolyAcrylamide/Cellulose Nanofibril Polyelectrolytes Effect on Suspension and Network Properties of Packaging Recycled fibers [Volume 5, Issue 1, 2021, Pages 3-15]
  • Flooding Concentration-Behavioral, Adsorption, Flooding, Relative Permeability Studies of Polymer Nanocomposite in Two Reservoir Lithologies [Volume 5, Issue 1, 2021, Pages 69-86]
  • Flooding phenomena Control of flooding phenomena in vacuum distillation tray column using operational and laboratory parameters [Volume 5, Issue 2, 2021, Pages 51-63]
  • Friction theory Modeling Viscosity of Ionic Liquids and Akanolamines Mixtures Using Peng-Robinson and Soave-Redlich-Kwong Equation of States with Friction Theory [Volume 5, Issue 4, 2021, Pages 39-54]
G
  • Global linearized control Substrate concentration control in a bio-reactor for bio-hydrogen production via feedback linearization [Volume 5, Issue 4, 2021, Pages 91-103]
  • Glycerin Simulation of glycerol and biodiesel production process with numerical analysis and optimization of transesterification reactor by response surface method (RSM) [Volume 5, Issue 4, 2021, Pages 105-117]
H
  • Hhydrogen Desulfurization Simulation and Techno-Economic analysis of Hydrotreating Process of Mazut [Volume 5, Issue 1, 2021, Pages 17-30]
  • Hierarchical Zeolite The role of hierarchical Y zeolites on the catalyst performance of diesel Hydrodesulfurization Process [Volume 5, Issue 3, 2021, Pages 37-27]
  • HTPB Investigating the Effect of DBTDL Catalyst on Curing Kinetic of Polyurethane using Differential Scanning Calorimetry: HTPB/TDI vs. HTPB/IPDI [Volume 5, Issue 1, 2021, Pages 43-55]
  • Hydrodesulfurization The role of hierarchical Y zeolites on the catalyst performance of diesel Hydrodesulfurization Process [Volume 5, Issue 3, 2021, Pages 37-27]
  • Hydrogel Simulation of Hydrogel Injection in Micro-Model and Prediction of Oil Recovery Factor [Volume 5, Issue 4, 2021, Pages 3-13]
  • Hydrogenation Study of the effect of operating parameters on the performance of acetylene hydrogenation reactors [Volume 5, Issue 2, 2021, Pages 91-104]
  • Hydroxyapatite Bioactive rod-like nanoparticles as novel filler for improving the properties of supramolecular polyester: synthesis and application [Volume 5, Issue 3, 2021, Pages 57-69]
I
  • Ionic liquid Modeling Viscosity of Ionic Liquids and Akanolamines Mixtures Using Peng-Robinson and Soave-Redlich-Kwong Equation of States with Friction Theory [Volume 5, Issue 4, 2021, Pages 39-54]
L
  • Lignin Investigation of Lignin-based activated carbon synthesis parameters on its structural properties [Volume 5, Issue 3, 2021, Pages 71-81]
M
  • MA-g-polypropylene Optimization of mechanical properties of PP-polymer foam fabricated via extruder [Volume 5, Issue 1, 2021, Pages 105-120]
  • Mazut Simulation and Techno-Economic analysis of Hydrotreating Process of Mazut [Volume 5, Issue 1, 2021, Pages 17-30]
  • MCF-7 cell line The effect of 5-fluorouracil loaded albumin magnetic nanoparticles on viability and cell cycle of human breast cancer MCF-7 cell line [Volume 5, Issue 1, 2021, Pages 31-41]
  • Mechanical Optimization of mechanical properties of PP-polymer foam fabricated via extruder [Volume 5, Issue 1, 2021, Pages 105-120]
  • Mechanical strength Investigation of influence of the Styrene Butadiene Styrene on the properties of the Expandable Poly Styrene and simulation of its laboratory data via Artificial Neural Networks [Volume 5, Issue 2, 2021, Pages 105-116]
  • Modeling Modeling Viscosity of Ionic Liquids and Akanolamines Mixtures Using Peng-Robinson and Soave-Redlich-Kwong Equation of States with Friction Theory [Volume 5, Issue 4, 2021, Pages 39-54]
N
  • Nanoclay Optimization of mechanical properties of PP-polymer foam fabricated via extruder [Volume 5, Issue 1, 2021, Pages 105-120]
  • Nanocomposite Concentration-Behavioral, Adsorption, Flooding, Relative Permeability Studies of Polymer Nanocomposite in Two Reservoir Lithologies [Volume 5, Issue 1, 2021, Pages 69-86]
  • Nanocomposite Bioactive rod-like nanoparticles as novel filler for improving the properties of supramolecular polyester: synthesis and application [Volume 5, Issue 3, 2021, Pages 57-69]
  • Nanocomposites Optimization of mechanical properties of PP-polymer foam fabricated via extruder [Volume 5, Issue 1, 2021, Pages 105-120]
  • Nanocomposite scaffolds Fabrication of nanocomposite scaffold based on bacterial cellulose/zinc oxide nanoparticles/polypyrrole with antibacterial and cytotoxicity assessment [Volume 5, Issue 2, 2021, Pages 37-50]
  • Nanosilver Preparation and study of physical and mechanical behavior of polylactic acid bionanocomposites reinforced with Cellulose Nanocrystal and silver nanoparticles [Volume 5, Issue 3, 2021, Pages 25-13]
  • Naphtha Simulation and Techno-Economic analysis of Hydrotreating Process of Mazut [Volume 5, Issue 1, 2021, Pages 17-30]
  • Net Production Cost Simulation and Techno-Economic analysis of Hydrotreating Process of Mazut [Volume 5, Issue 1, 2021, Pages 17-30]
  • Nitric acid Leaching and recovery of selenium from Sar-cheshmeh copper anode slimes [Volume 5, Issue 1, 2021, Pages 57-67]
  • Non-edible sources Potential assessment of non-edible sources for biodiesel production in Iran [Volume 5, Issue 2, 2021, Pages 17-36]
O
  • Oilseeds Potential assessment of non-edible sources for biodiesel production in Iran [Volume 5, Issue 2, 2021, Pages 17-36]
  • Optimization Applying Artificial Neural Network in Prediction behavior of alkylation of m-Cresol with isopropanol process and yield optimization by Bee Colony algorithm [Volume 5, Issue 4, 2021, Pages 69-78]
  • Optimization Simulation of glycerol and biodiesel production process with numerical analysis and optimization of transesterification reactor by response surface method (RSM) [Volume 5, Issue 4, 2021, Pages 105-117]
P
  • Partial oxidation reaction Modeling of a synthesis gas production reactor using Aspen plus [Volume 5, Issue 2, 2021, Pages 3-15]
  • Phase-Field Method Simulation of Hydrogel Injection in Micro-Model and Prediction of Oil Recovery Factor [Volume 5, Issue 4, 2021, Pages 3-13]
  • Polyaniline Synthesis and investigation of low band gap energy donor-acceptor polyaniline [Volume 5, Issue 3, 2021, Pages 39-55]
  • Polycaprolactone Bioactive rod-like nanoparticles as novel filler for improving the properties of supramolecular polyester: synthesis and application [Volume 5, Issue 3, 2021, Pages 57-69]
  • Polylactic acid Preparation and study of physical and mechanical behavior of polylactic acid bionanocomposites reinforced with Cellulose Nanocrystal and silver nanoparticles [Volume 5, Issue 3, 2021, Pages 25-13]
  • Polypyrrole Fabrication of nanocomposite scaffold based on bacterial cellulose/zinc oxide nanoparticles/polypyrrole with antibacterial and cytotoxicity assessment [Volume 5, Issue 2, 2021, Pages 37-50]
  • Polyurethane Epoxy Modification by Polyurethane and Its Effects on Abrasion and Adhesion Properties [Volume 5, Issue 3, 2021, Pages 83-94]
  • Polyurethane/acrylic blend Evaluation of Tack and Shear Strength of Pressure-Sensitive Adhesives Comprised of Polyurethane and Acrylic Copolymer Blend [Volume 5, Issue 4, 2021, Pages 55-67]
  • Post-Synthesis The role of hierarchical Y zeolites on the catalyst performance of diesel Hydrodesulfurization Process [Volume 5, Issue 3, 2021, Pages 37-27]
  • Potential assessment Potential assessment of non-edible sources for biodiesel production in Iran [Volume 5, Issue 2, 2021, Pages 17-36]
  • Precipitated silica Study of operating conditions of silica extraction from rice husk for Special use in rubber [Volume 5, Issue 2, 2021, Pages 65-77]
  • Pressure-sensitive adhesive Evaluation of Tack and Shear Strength of Pressure-Sensitive Adhesives Comprised of Polyurethane and Acrylic Copolymer Blend [Volume 5, Issue 4, 2021, Pages 55-67]
  • Process control Substrate concentration control in a bio-reactor for bio-hydrogen production via feedback linearization [Volume 5, Issue 4, 2021, Pages 91-103]
  • Production Temperature Changes in Oil Wells and Its Effect on Tubulars Stress Condition [Volume 5, Issue 3, 2021, Pages 12-3]
  • Properties Optimization of mechanical properties of PP-polymer foam fabricated via extruder [Volume 5, Issue 1, 2021, Pages 105-120]
R
  • Reactor Study of the effect of operating parameters on the performance of acetylene hydrogenation reactors [Volume 5, Issue 2, 2021, Pages 91-104]
  • Recovery Leaching and recovery of selenium from Sar-cheshmeh copper anode slimes [Volume 5, Issue 1, 2021, Pages 57-67]
  • Relative permeability Concentration-Behavioral, Adsorption, Flooding, Relative Permeability Studies of Polymer Nanocomposite in Two Reservoir Lithologies [Volume 5, Issue 1, 2021, Pages 69-86]
  • Renewable fuels Potential assessment of non-edible sources for biodiesel production in Iran [Volume 5, Issue 2, 2021, Pages 17-36]
  • Response surface method Simulation of glycerol and biodiesel production process with numerical analysis and optimization of transesterification reactor by response surface method (RSM) [Volume 5, Issue 4, 2021, Pages 105-117]
S
  • Selenium Leaching and recovery of selenium from Sar-cheshmeh copper anode slimes [Volume 5, Issue 1, 2021, Pages 57-67]
  • Shear Strength Evaluation of Tack and Shear Strength of Pressure-Sensitive Adhesives Comprised of Polyurethane and Acrylic Copolymer Blend [Volume 5, Issue 4, 2021, Pages 55-67]
  • Solubility Determination of the solubility of anticancer drugs in supercritical carbon dioxide using empirical models and artificial neural network [Volume 5, Issue 4, 2021, Pages 15-37]
  • Solvent extraction Solvent extraction of Ce(IV) from sulfuric acid solutions using Cyanex 921 and its mixtures with D2EHPA [Volume 5, Issue 1, 2021, Pages 87-103]
  • Specific Surface Area Investigation of Lignin-based activated carbon synthesis parameters on its structural properties [Volume 5, Issue 3, 2021, Pages 71-81]
  • Styrene Butadiene Styrene Investigation of influence of the Styrene Butadiene Styrene on the properties of the Expandable Poly Styrene and simulation of its laboratory data via Artificial Neural Networks [Volume 5, Issue 2, 2021, Pages 105-116]
  • Synergetic effect Solvent extraction of Ce(IV) from sulfuric acid solutions using Cyanex 921 and its mixtures with D2EHPA [Volume 5, Issue 1, 2021, Pages 87-103]
T
  • Tack Evaluation of Tack and Shear Strength of Pressure-Sensitive Adhesives Comprised of Polyurethane and Acrylic Copolymer Blend [Volume 5, Issue 4, 2021, Pages 55-67]
  • Temperature Changes Temperature Changes in Oil Wells and Its Effect on Tubulars Stress Condition [Volume 5, Issue 3, 2021, Pages 12-3]
  • Thymol Applying Artificial Neural Network in Prediction behavior of alkylation of m-Cresol with isopropanol process and yield optimization by Bee Colony algorithm [Volume 5, Issue 4, 2021, Pages 69-78]
  • Total Capital Investment Simulation and Techno-Economic analysis of Hydrotreating Process of Mazut [Volume 5, Issue 1, 2021, Pages 17-30]
  • Tubing Temperature Changes in Oil Wells and Its Effect on Tubulars Stress Condition [Volume 5, Issue 3, 2021, Pages 12-3]
V
  • Vacuum pressure Control of flooding phenomena in vacuum distillation tray column using operational and laboratory parameters [Volume 5, Issue 2, 2021, Pages 51-63]
  • Vapor reforming reaction Modeling of a synthesis gas production reactor using Aspen plus [Volume 5, Issue 2, 2021, Pages 3-15]
  • Vinyl ferrocene Poly (Vinyl Ferrocene)/Hydroxyl terminated polybutadiene (PVF/HTPB) blend as a Catalyst: Preparation, Characterization and Comparison [Volume 5, Issue 4, 2021, Pages 79-90]
  • Viscoelasticity Evaluation of Tack and Shear Strength of Pressure-Sensitive Adhesives Comprised of Polyurethane and Acrylic Copolymer Blend [Volume 5, Issue 4, 2021, Pages 55-67]
  • Viscosity Modeling Viscosity of Ionic Liquids and Akanolamines Mixtures Using Peng-Robinson and Soave-Redlich-Kwong Equation of States with Friction Theory [Volume 5, Issue 4, 2021, Pages 39-54]
Z
  • Zinc nanoparticles Fabrication of nanocomposite scaffold based on bacterial cellulose/zinc oxide nanoparticles/polypyrrole with antibacterial and cytotoxicity assessment [Volume 5, Issue 2, 2021, Pages 37-50]
  • ZnO ‎nanoparticles Synthesis and investigation of low band gap energy donor-acceptor polyaniline [Volume 5, Issue 3, 2021, Pages 39-55]