Kusumawati, Elly. “Analysis of the Improvement of Maritime Safety through Seafarer Skills Training Cooperation Between Poltekpel Surabaya and the Main Shipping Office of Tanjung Perak”. Devotion : Journal of Research and Community Service 4, no. 12 (December 20, 2023): 2300–2309. Accessed June 25, 2026. https://devotion.greenvest.co.id.submitjurnal.id/index.php/dev/article/view/630.