NUGRAH, A. F.; NOVITA, S.; SUGIYANTO; NUR, M.; FIRDIANI, D. Innovation in Refrigeration and Air Conditioning Engineering Teaching Materials at Makassar Aviation Polytechnic. Airman: Jurnal Teknik dan Keselamatan Transportasi, [S. l.], v. 7, n. 2, p. 64–72, 2024. DOI: 10.46509/ajtk.v7i2.453. Disponível em: https://jurnal.poltekbangmakassar.ac.id/index.php/airman/article/view/453. Acesso em: 27 apr. 2025.