Nurrijal, Nurrijal, Kudus Kudus, Gamar Abdullah, and Sri Handayani. “Analysis of Marine Wealth and Environmental Awareness Teaching Through Problem Base Learning (PBL) Model in Elementary Grades ”. PEDAGOGIKA 17, no. 1 (April 30, 2026): 174-184. Accessed July 29, 2026. https://ejournal-fip-ung.ac.id/ojs/index.php/pedagogika/article/view/4078.