List of Articles Multiproduct Open Access Article Abstract Page Full-Text 1 - A Hybrid Mehta-Heuristic algorithm for optimization location-routing problem of facilities in four echelon supply chain Hamidreza Mohamadi Reza Ehtesham Rasi Ali Mohtashami 10.30495/jiei.2020.678787 20.1001.1.17355702.2020.16.4.2.1