Willy Ari Prasetya, Sundoro, and Budi Prasetyo. “KAJIAN PENEMPATAN HELICOPTER STAND DI BANDAR UDARA INTERNASIONAL JENDERAL AHMAD YANI SEMARANG ”. Langit Biru: Jurnal Ilmiah Aviasi 12, no. 3 (July 16, 2020): 101-108. Accessed May 21, 2024. https://journal.ppicurug.ac.id/index.php/jurnal-ilmiah-aviasi/article/view/184.