Putra, Singgih. “ Dampak Pelatihan Berbasis Kompetensi Bagi Guru Kejuruan Bidang Kemaritiman Di Indonesia”. Jurnal Widyaiswara Indonesia 1, no. 3 (December 7, 2020): 120-129. Accessed January 20, 2026. https://ejournal.iwi.or.id/ojs/index.php/iwi/article/view/18.