Anggraini, S. I., Diana Arfiati, Happy Nursyam, Audina I. Pratiwi, Ekki Windi, and Sofiatul. “Reducing The Concentration of Organic Matter and Proximate of Catfish (Clarias Gariepinus) Culture Medium Using Bacillus Subtilis”. Samakia : Jurnal Ilmu Perikanan, Vol. 10, no. 2, Sept. 2019, pp. 73-82, doi:10.35316/jsapi.v10i2.313.