Silooy, Fanny, and Henneke Pangkey. “Protection of Tondano Watershed and Plastic Waste Hazard to the Environment”. JURNAL PERIKANAN DAN KELAUTAN TROPIS 10, no. 3 (October 8, 2019): 89–91. Accessed May 20, 2024. https://ejournal.unsrat.ac.id/v3/index.php/JPKT/article/view/25415.