Rusman Ali, M., Sudrajat, S., & Iswahyudi, P. (2024). ANALYSIS OF SERVICE LEVEL OF CHECK-IN OFFICERS COUNTER AGAINST PASSENGERS FLOWNESS AT EL TARI KUPANG INTERNATIONAL AIRPORT. Proceeding of International Conference of Advanced Transportation, Engineering, and Applied Social Science, 3(1), 596–606. https://doi.org/10.46491/icateas.v3i1.1997