Widyanti, Ari, and Maisarah Firdaus. “Assessment of Mental Workload of Flight Attendants Based on Flight Duration: An Effort to Provide Safe Working Condition”. Aviation 23, no. 3 (December 31, 2019): 97-103. Accessed April 27, 2024. https://journals.vilniustech.lt/index.php/Aviation/article/view/11847.