Hassan, Muhammad, and Ghulam Murtaza Maitlo. “Impact of Crew Training and Safety Management System on Operational Management in Aviation Industry of Pakistan”. Amazonia Investiga 9, no. 30 (July 7, 2020): 119–126. Accessed November 2, 2025. https://mail.amazoniainvestiga.info/index.php/amazonia/article/view/1151.