TY - JOUR AU - Razavi Saeedi, Seyed Reza TI - Presenting a Model of managers' Competencies in Complex Organizations JO - Quarterly Journal of Training and Development of Human Resources VL - 8 IS - 30 SP - 199 EP - 223 PY - 2021 DO - 10.52547/istd.31418.8.30.199 ER -