RUSMAN. Heliport Needs in Helicopter Operations at Sam Ratulangi Manado International Airport. Airman: Jurnal Teknik dan Keselamatan Transportasi, [S. l.], v. 1, n. 2, p. 85–91, 2018. DOI: 10.46509/ajtk.v1i2.60. Disponível em: https://jurnal.poltekbangmakassar.ac.id/index.php/airman/article/view/60. Acesso em: 22 nov. 2024.