Iksan Saifudin, Arika Palapa, Fajar Sutopo, Teriyanti Teriyanti, and Jaya Alamsyah. “Enhancing Maritime Vocational Training in Naval Engine Operations: A Study in North Sulawesi”. DIAJAR: Jurnal Pendidikan dan Pembelajaran 4, no. 2 (April 20, 2025): 291–299. Accessed October 10, 2026. https://journal.yp3a.org/index.php/diajar/article/view/4254.