Tanjung, D.J.S., Amin, B. and Mubarak, M. 2023. THE RELATIONSHIP BETWEEN NITRATE, PHOSPHATE AND ORGANIC MATERIAL CONCENTRATION TO PHYTOPLANKTON ABUNDANCE IN RUPAT ISLAND WATERS. Asian Journal of Aquatic Sciences. 6, 2 (Aug. 2023), 302-311. DOI:https://doi.org/10.31258/ajoas.6.2.302-311.