List of Articles Waste collection Open Access Article Abstract Page Full-Text 1 - An intelligent Hybrid Algorithm for Urban waste Collection Problem heydar Lotfi Babak sadeghi Open Access Article Abstract Page Full-Text 2 - Analyzing the Improvement Criteria of Urban Waste Management Based on Internet-of-Thing (IoT) Technology Using Dimatel Method Nadi Alizadeh Masoud ahmadigorji 10.30495/ums.2022.20286 Open Access Article Abstract Page Full-Text 3 - Solving a bi-objective location routing problem by a NSGA-II combined with clustering approach: application in waste collection problem Masoud Rabbani Hamed Farrokhi-Asl Bahare Asgarian