List of Articles Open Access Article Abstract Page Full-Text 1 - Bi-Objective Hybrid Flow Shop Scheduling With Pareto Approximation in a Specified Region Seyed Mostafa Mousavi Open Access Article Abstract Page Full-Text 2 - Identifying and Prioritizing Contributing Factors in Supply Chain Competitiveness Using PLS- FAHP Techniques (Case Study: Payam Shoes Company) Saeid Sadeghi Ahmadreza Ghasemi Open Access Article Abstract Page Full-Text 3 - Derivation of a Combined Method from Grey ANP and SIX SIQMA and TRIZ in Order to Prioritize Tehran Municipality Projects alireza alinezhad Javad Khalili Open Access Article Abstract Page Full-Text 4 - The Role of Knowledge Management on Company Competitiveness through Technology-driven Strategy in Tile and Ceramic Industry of Iran Mohammad Javad Taghipourian Hamidreza Alizadeh Open Access Article Abstract Page Full-Text 5 - Optimum supplier selection based on a hybrid MCDM approach: AHP-VIKOR Armin Cheraghalipour Mohammad Mahdi Paydar Mostafa Hajiaghaei-Keshteli Open Access Article Abstract Page Full-Text 6 - Solving N-Queen Problem Using Global Parallel Genetic Algorithm Monire Taheri Sarvetamin Amid Khatibi Bardsiri Open Access Article Abstract Page Full-Text 7 - Proposing a New Genetic Algorithm Multi-capacity to Solve the Multi-Storage Routing problem with Multi-capacity Vehicles Hossien Afzali Gholam Reza Einy Sarkalleh Mojtba Khademy Nejad Elnaz Miandoabchi Open Access Article Abstract Page Full-Text 8 - Provide a Roadmap for Using Lean Manufacturing Tools to Improve Supplier Performance (Case Study: Sapco Supply Chain) Saeed Zeinalpour Ahrabi Soroush Avakh Darestani Kambiz Shahroudi Open Access Article Abstract Page Full-Text 9 - Evaluation of Management Efficiency in Cement Industry of Iran Using Data Envelopment Analysis Technique Akbar Valizadeh Oghani Nasser Fegh-hi Farahmand Farzin Modarres Khiabani