Paulus, J. J. H.; Mantiri, D. M. H.; Kepel, R. C.; Rumampuk, N. D. C.; Rori, F.; Pandey, E. V.; Sinjal, C. A. L. Study Of Non Point Source Heavy Metal Cadmium Level In Mangrove Plant Sediment At Likupang: Addressed To The Conservation Of The Bunaken National Park. JIP 2020, 8, 71-76.