Pratiwi, P. A., and Belyamin. “Studi Kasus Penyebab Kegagalan APU Fire Extinguisher System Pada Pesawat B7xx”. Prosiding Seminar Nasional Teknik Mesin, vol. 12, no. 1, Dec. 2022, pp. 120-5, https://prosiding.pnj.ac.id/sntm/article/view/21.