Mubarok, Ahmad, Jadon Pieter Elia Tirtanto, Ariyono Setiawan, and Daniel Dewantoro Rumani. 2023. “Comparison Analysis Of Fuel On Manual And Systematic Flight Plan On Citilink Airlines On The Jakarta-Surabaya Route Using Airbus A320 Aircraft”. Journal Research of Social Science, Economics, and Management 3 (5):1277 -. https://doi.org/10.59141/jrssem.v3i5.599.