Widigdo, S., Shofy Mubarak, A. and Nurmalia Dewi, N. 2024. Optimal N/P Ratio of the Shrimp Culture Waste Fertilizer For Growth Rate of Spirulina platensis. Journal of Marine and Coastal Science. 13, 2 (Jun. 2024), 93–101. DOI:https://doi.org/10.20473/jmcs.v13i2.52460.