List of Articles الگوریتم کلونی مصنوعی زنبور عسل Open Access Article Abstract Page Full-Text 1 - 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