Schram, S. A., R. A. Tumbol, and R. L. Kreckhoff. “The Use Of Marine Sponge Crude Extract To Improve The Resistance Of Tilapia Fish (Oreochromis Niloticus) To Streptococcus Agalactiae Infections”. Jurnal Ilmiah PLATAX, vol. 7, no. 2, July 2019, pp. 347-5, doi:10.35800/jip.7.2.2019.23723.