Siahaan, B., Khalifah Ahmad, A. and Suyatmo, S. 2023. Portable Trolley Box Design As Practice Support At Aviation Polytechnic Surabaya. Proceeding of International Conference of Advance Transportation, Engineering, and Applied Social Science . 2, 1 (Nov. 2023), 106–110. DOI:https://doi.org/10.46491/icateas.v2i1.1632.