Patty, J. O., R. Siahaan, and P. 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, vol. 8, no. 1, July 2018, doi:10.35799/jbl.8.1.2018.20592.