فهرس المقالات Kassu Jilcha المقاله 1 - Knowledge Diffusion to Workplace Safety and Health Improvement 20.1001.1.22519904.2017.10.21.2.5 10.22094/joie.2016.256 Kassu Jilcha Daniel Kitaw Birhanu Beshah Journal of Optimization in Industrial Engineering , العدد 21 , السنة 10 , بهار 2017
