TY - JOUR AU - ebrahimi, Salahedin AU - sahranavard nashtifan, younes AU - Khanifar, Hosein AU - Gholami, Bahman AU - Gholami, Bahman AU - مولودی, سیامند TI - Designing a professional development model for managers with a data-based approach: Qualitative research in education JO - Quarterly Journal of Training and Development of Human Resources VL - 10 IS - 39 SP - 39 EP - 78 PY - 2024 DO - ER -