Patty, J. O.; Siahaan, R.; Maabuat, P. V. 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). JBL 2018, 8.