Ikhsan Wahyu Vebriyan, Rini Sadiatmi, and Moh. Budi Kuntjoro. “PENGARUH FAMILIARIZATION FLIGHT TERHADAP PEMAHAMAN COCKPIT PROCEDURE PERSONAL ATC DI PERUM LPPNI CABANG MADYA BALIKPAPAN”. Langit Biru: Jurnal Ilmiah Aviasi, Vol. 12, no. 1, Feb. 2019, pp. 137-42, https://journal.ppicurug.ac.id/index.php/jurnal-ilmiah-aviasi/article/view/153.