Patty, Jesica O, Ratna Siahaan, and Pience V Maabuat. “Kehadiran Logam-Logam Berat (Pb, Cd, Cu, Zn) Pada Air Dan Sedimen Sungai Lowatag, Minahasa Tenggara - Sulawesi Utara (The Occurrence of Heavy Metals (Pb, Cd, Cu, Zn) on Water and Sediment in the River Lowatag, Southeast Minahasa - North Sulawesi)”. JURNAL BIOS LOGOS 8, no. 1 (July 28, 2018). Accessed November 22, 2024. https://ejournal.unsrat.ac.id/v3/index.php/bioslogos/article/view/20592.