Junior, M. Zairin, Y. Yustikasari, and H. Arfah. 2007. “Effect Injection of Ginger Extract on Development and Nucleus Position of ‘Sangkuriang’ Catfish Clarias Sp. Eggs”. Jurnal Akuakultur Indonesia 4 (2): 191-95. https://doi.org/10.19027/jai.4.191-195.