Amar Al Kahfi, Y., Y. Suprapto, and S. Hariyadi. “THE EFFECT OF BAGGAGE HANDLING SYSTEM LEVEL 3 ON OPERATION OFFICER PERFORMANCE”. Proceeding of International Conference of Advance Transportation, Engineering, and Applied Social Science, vol. 2, no. 1, Nov. 2023, pp. 995-1000, doi:10.46491/icateas.v2i1.1772.