Rustina, E., Sri Sayekti Lestari, Dorma Ceria Purba, Ufik Deriantoro, & Endriyatno Sulastomo. (2023). Operation of the Mardoc Application in the Operational Section of the Ship Certificate Service. International Journal of Economics, Business and Innovation Research, 2(03), 122-130. https://doi.org/10.63922/ijebir.v2i03.219