List of Articles Locust optimization Open Access Article Abstract Page Full-Text 1 - Software risk prediction by Grasshopper Optimization Algorithm and Machine learning bahar ahmadi Hadi Khosravi-farsani Taghi Javdani Gandomani Open Access Article Abstract Page Full-Text 2 - A Hybrid Meta-Heuristic Approach for Design and Solving a Location Routing Problem Considering the Time Window Mohammad Amin Rahmani Ahamd Mirzaei Milad Hamzehzadeh Aghbelagh