List of Articles ABC Algorithm Open Access Article Abstract Page Full-Text 1 - A hybrid meta-heuristic algorithm based on ABC and Firefly algorithms azita yousefi bita amirshahi Open Access Article Abstract Page Full-Text 2 - Analysis of the Effects of the Frequency Band Values on the Performance of the Cosine Modulated Filter Bank Design Gokcen Ozdemir Ozdemir Murat Emre Erkoc Nurhan Karaboga Open Access Article Abstract Page Full-Text 3 - Portfolio Optimization Based on Semi Variance and Another Perspective of Value at Risk Using NSGA II, MOACO, and MOABC Algorithms Reza Aghamohammadi Reza Tehrani Abbas Raad 10.22034/amfa.2020.1907264.1479 Open Access Article Abstract Page Full-Text 4 - A Portfolio Optimization Model for a Private Equity Investment Company under Data Insufficiency Condition with an Artificial Bee Colony Meta-heuristic Approach Fereydoun Rahnama Roodposhti Ehsan Sadeh Mirfeiz Fallahshams reza Ehteshamrasi jamil Jalilian Open Access Article Abstract Page Full-Text 5 - A new design for PID controller by considering the operating points changes in Hydro-Turbine Connected to the equivalent network by using Invasive Weed Optimization (IWO) Algorithm Navid Razmjooy Mohsen Khalilpour