List of Articles Cost of Purchase Open Access Article Abstract Page Full-Text 1 - Providing a Mathematical Model of Selecting a Production Supplier in the Supply Chain with the Approach of Bee Algorithm and Comparison with Genetic Algorithm Tajaddin Eram Nasser Fegh-hi Farahmand Yaghoub Alavi Matin 10.30495/jsm.2021.1919114.1420 20.1001.1.23222301.2020.6.4.7.1