Widigdo, Syafrianur, Ahmad Shofy Mubarak, and Nina Nurmalia Dewi. “Optimal N/P Ratio of the Shrimp Culture Waste Fertilizer For Growth Rate of Spirulina Platensis”. Journal of Marine and Coastal Science 13, no. 2 (June 28, 2024): 93–101. Accessed August 3, 2024. https://e-journal.unair.ac.id/JMCS/article/view/52460.