Ningrum, Indah Puspita, Syahril Nedi, and Aras Mulyadi. “Content of Nitrate, Phosphate, and Chlorophyll-a in Terkul Water, Rupat Strait, Riau”. Journal of Coastal and Ocean Sciences 3, no. 3 (September 8, 2022): 182-186. Accessed April 29, 2024. https://jocos.ejournal.unri.ac.id/index.php/jocos/article/view/71.