Rhamadhani, Adinda Ghita, and Sri Sutarwati. “Analysis of Differences in Handling of Hajj Flights With Regular Flights on the Apron Unit Movement Control at The Airport International Adi Soemarmo”. El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam 5, no. 3 (February 7, 2024): 1218–1228. Accessed May 11, 2026. http://journal-laaroiba.com/ojs/index.php/elmal/article/view/631.