Mehmood, Tariq, y Ghulam Murtaza Maitlo. «Leadership Competencies Leadership Competencies and Job Satisfaction Among Aviation Employees of Pakistan International Airline (PIA)». Revista Amazonia Investiga 9, no. 27 (marzo 21, 2020): 419–427. Accedido febrero 14, 2026. https://www.amazoniainvestiga.info/index.php/amazonia/article/view/1170.