Nanda Rahmawaty Dzulhijjah, Rany Adiliawijaya P, and Djoko Jatmoko. “PENGARUH PENGGUNAAN ELECTRONIC FLIGHT PROGRESS STRIP (ESTRIP) TERHADAP PELAYANAN LALU LINTAS PENERBANGAN DI PERUM LPPNPI CABANG KUPANG”. Langit Biru: Jurnal Ilmiah Aviasi, Vol. 13, no. 01, July 2020, pp. 155-62, https://journal.ppicurug.ac.id/index.php/jurnal-ilmiah-aviasi/article/view/123.