TY - JOUR AU - jaafari, parivash AU - Mohammad davoudi, Amir hosein AU - Sotudeh, Ali AU - Jaafari, Parivash TI - A Model of Performance Coaching Competency for Supervisors and Managers(Case: NIOc)) JO - Quarterly Journal of Training and Development of Human Resources VL - 6 IS - 22 SP - 0 EP - 0 PY - 2020 DO - ER -