Khayatian yazdi, Mohammad sadegh, , , sahraei beiranvand, mahdi, Khorasani, Abasalt, Shams Morkani, Gholamreza . Presentation Leaders' Self-Development Model: A Synthesis of Research.  Quarterly Journal of Training and Development of Human Resources. 2021;8(28):137-167. 10.52547/istd.31011.8.28.137