sasti, muhammad farhan sasri, and N. Praptiningsih. “Peningkatan Pelayanan Lalu Lintas Penerbangan Dengan Penentuan Perhitungan Expected Approach Time Di Perum LPPNPI Cabang Palangka Raya”. Aviation Business and Operations Journal, Vol. 1, no. 01, Sept. 2023, pp. 20 -26, doi:10.54147/jobp.v2i01.798.