List of Articles ε-constraint Open Access Article Abstract Page Full-Text 1 - A box-uncertainty in multi-objective optimization: an ε-constraint approach Shima Soleimani manesh Mansour Saraj Maryam Moemeni Mahmoud Alizadeh Open Access Article Abstract Page Full-Text 2 - Planning for Medical Emergency Transportation Vehicles during Natural Disasters Hesam Adrang Ali Bozorgi-Amiri Kaveh Khalili-Damghani Reza Tavakkoli-Moghaddam 10.22094/joie.2020.688.1455