List of Articles Multi-product Open Access Article Abstract Page Full-Text 1 - Fuzzy Compromise Approach for Solving Interval-Valued Fractional Multi-Objective Multi-Product Solid Transportation Problems Hamiden Khalifa Open Access Article Abstract Page Full-Text 2 - Presenting a multi-objective mathematical model of multi-product and multi-stage fuzzy production planning for several periods in Gamz software Aslan Doosti saeid Rezaie Moghadam saeid Rezaie Moghadam 10.30495/imj.2022.691476 Open Access Article Abstract Page Full-Text 3 - Bi-objective Optimization of a Multi-product multi-period Fuzzy Possibilistic Capacitated Hub Covering Problem: NSGA-II and NRGA Solutions Zahra Rajabi Soroush Avakh Darestani 10.22094/joie.2018.590.1379 Open Access Article Abstract Page Full-Text 4 - Building a Multi-Objective Model for Multi-Product Multi-Period Production Planning with Controllable Processing Times: A Real Case Problem Mir Bahadorgholi Aryanezhad Mehdi Karimi-Nasab Seyed Mohammad Taghi Fatemi Ghomi Open Access Article Abstract Page Full-Text 5 - A parameter-tuned genetic algorithm for vendor managed inventory model for a case single-vendor single-retailer with multi-product and multi-constraint javad sadeghi ahmad sadeghi mohammad Saidi mehrabad Open Access Article Abstract Page Full-Text 6 - A Mathematical Model for Determining the Optimal Production Lot Size of Multiple Products on a Machine Ayub Rahimzadeh Open Access Article Abstract Page Full-Text 7 - Retracted: Using genetic algorithm approach to solve a multi-product EPQ model with defective items, rework, and constrained space Kiamars Fathi Hafshejani Changiz Valmohammadi Alireza Khakpoor