Gunadi, Bambang, Enang Harris, Eddy Supriyono, . Sukenda, and Tatag Budiardi. 2014. “Protein Digestibility and Ammonia Excretion in Catfish Clarias Gariepinus Culture”. Jurnal Akuakultur Indonesia 12 (1): 62-69. https://doi.org/10.19027/jai.12.62-69.