Muslim, Muslim, JuniorM. Zairin, and UtomoNur Bambang Priyo. 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.