Muslim, Muslim, M. Zairin Junior, and Nur Bambang Priyo Utomo. 2011. “Masculinization of Nile Tilapia (Oreochromis Niloticus) by Administration of Bull Testes Meal”. Jurnal Akuakultur Indonesia 10 (1): 51-58. https://doi.org/10.19027/jai.10.51-58.