“PENGARUH KARAKTERISTIK PELAYANAN TERHADAP KEPUASAN PENUMPANG LOW COST CARRIER PADA MASKAPAI CITILINK INDONESIA”. Jurnal Optimal 16, no. 1 (June 24, 2019): 29–56. Accessed October 4, 2026. https://jurnal.stieieu.ac.id/index.php/opt/article/view/89.