Harahap, Vica, Qadria Daeng Malebby, and Hendro Kuntohadi. “SALES CONTRIBUTION THROUGH MOBILE APPLICATION IN CGK-SIN ROUTE AT SINGAPORE AIRLINES LTD JAKARTA”. Jurnal Manajemen Bisnis Transportasi dan Logistik 5, no. 1 (September 29, 2018): 1–10. Accessed August 9, 2026. https://journal.itltrisakti.ac.id/index.php/jmbtl/article/view/887.