“Microplastic in Sediment from the Middle Segment of an Urban River of Samarinda City, East Kalimantan”. Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal) 2, no. 2 (November 14, 2023): 128–134. Accessed September 2, 2025. https://e-journals2.unmul.ac.id/index.php/jipt/article/view/679.