Patty, Simon I. “Characteristics of Phosphate, Nitrate and Dissolved Oxygen in Gangga and Siladen Island Waters, North Sulawesi”. Jurnal Ilmiah Platax 2, no. 2 (November 10, 2014): 74–84. Accessed November 22, 2024. https://ejournal.unsrat.ac.id/v3/index.php/platax/article/view/7151.