Wibawanti, Retno, Amilya Agustina, Maria Melania Muda, and Retno Asti Werdhani. 2020. “Fatigue Management For Pilots With Physical Activities, Physical Exercises And Sleeping Arrangement”. Journal Of The Indonesian Medical Association 69 (12), 373-78. https://doi.org/10.47830/jinma-vol.69.12-2019-169.