Rombon, Melisa T, Joko Purbopuspito, and Jooudie N. Luntungan. “KANDUNGAN TEMBAGA, SENG, DAN BESI DALAM SEDIMEN SUNGAI BOLAANG DI DESA BAKAN BOLAANG MONGONDOW”. Soil and Environment Journal 1, no. 2 (March 29, 2022): 22–25. Accessed April 20, 2024. https://ejournal.unsrat.ac.id/v3/index.php/soilenvironmental/article/view/39883.