DRIYONO, B. .; NAFKAR JAYA, M. Innovation Design of Digital Clinometer Papi (Precision Approach Path Indicator) Angle Measurer Instrument at Yogyakarta Adisutjipto International Airport. Airman: Jurnal Teknik dan Keselamatan Transportasi, [S. l.], v. 3, n. 1, p. 88–95, 2020. DOI: 10.46509/ajtk.v3i1.160. Disponível em: https://jurnal.poltekbangmakassar.ac.id/index.php/airman/article/view/160. Acesso em: 20 sep. 2024.