Rusman Ali, M., Sudrajat, S. and 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), pp. 596–606. doi: 10.46491/icateas.v3i1.1997.