Soelistyowati, D. T.; Sudrajat, A. O.; Arfah, H. Masculinization on Tilapia (Oreochromis sp.) by Natural Hormone Steroid Agent from Bee Resin through Artificial Diet. Jurnal Akuakultur Indonesia 2013, 9 (2), 178-183. https://doi.org/10.19027/jai.9.178-183.