Nur, Mulyadi. “Study Results of Aircraft Engineering Cadets Using Problem Based Learning Method at the Civil Aviation Safety Engineering Academy of Makassar”. Airman: Jurnal Teknik dan Keselamatan Transportasi 2, no. 2 (June 17, 2021): 198–208. Accessed November 21, 2024. https://jurnal.poltekbangmakassar.ac.id/index.php/airman/article/view/131.