TY - JOUR AU - Gharli, Zahra AU - Najafi, Ali AU - bolgorian, meysam TI - Assessing the Effective Factors on Informal Learning of Employees in National Iran Petrochemical Company Using Group Analytic Hierarchy Process (AHP) JO - Quarterly Journal of Training and Development of Human Resources VL - 5 IS - 16 SP - 117 EP - 132 PY - 2018 DO - ER -