List of Articles Optimization Open Access Article Abstract Page Full-Text 1 - The application of TRIZ to solve the GSC problems in Sobhanoncology pharmaceutical firm. Mina Hajihashemi seyed mohammad hoseini Open Access Article Abstract Page Full-Text 2 - Optimizing the Production Output Function in Dynamic Manufacturing Systems Using Genetic Algorithm Amir Najafi Amirfoad Sateie Hossein Ghazanfari Open Access Article Abstract Page Full-Text 3 - Multi Objective Optimization of Heat Pipe Using Firefly Algorithm hossein amoozad khalili gholamreza salehi seyed mohsen momeni majid eshagh nimvari 20.1001.1.25382756.2021.6.2.6.5 Open Access Article Abstract Page Full-Text 4 - Using Multi-objective Algorithm (NSGA-II) in Selecting Optimal Portfolio in Tehran Stock Exchange سید احمد شیبت الحمدی محمد همتی مهدی اسفندیار Open Access Article Abstract Page Full-Text 5 - Portfolio Optimization by Using Big Bang-Big Crunch Algorithm علیرضا علی نژاد Open Access Article Abstract Page Full-Text 6 - Robust Optimization Model for Locating and Capacitated Hub Covering Problem P. Ghasemi