Utomo, N.B.P, . Winarti, and A. Erlina. 2007. “Growth of Spirulina Platensis Cultured With Inorganic Fertilizer (Urea, TSP and ZA) and Chicken Manure”. Jurnal Akuakultur Indonesia 4 (1): 41-48. https://doi.org/10.19027/jai.4.41-48.