فهرس المقالات سمیه ثابت المقاله 1 - Designing a Model of Human Resource Mentoring System Based on a Mixed Approach, With the Aim of Increasing Productivity 20.1001.1.23222301.2021.7.2.9.6 10.30495/jsm.2021.1933379.1490 Somayeh Sabet Mehrdad Goodarzvand Chegini Hamidreza Rezaei Klidbari Morad Rezaei Dizgah Journal of System Management , العدد 2 , السنة 7 , بهار 2021