Istiana, Rita, Henita Rahmayanti, and Bagus Sumargo. “Marine Environmental Education Learning System Recommendation Model Based on Student Needs Analysis in Indonesian Coastal Areas”. Cypriot Journal of Educational Sciences 16, no. 5 (October 31, 2021): 2236–2247. Accessed November 22, 2024. https://un-pub.eu/ojs/index.php/cjes/article/view/6305.