Mokoginta, I., , Syahrizal, and M. Zairin Jr. 2007. “The Effect of Dietary Vitamin E (-Tocopherol) Level on the Lipid, Essensial Fatty Acid Level and the Hatching Rate of Catfish, Clarias Batrachus Linn”. Jurnal Akuakultur Indonesia 1 (2): 75-80. https://doi.org/10.19027/jai.1.75-80.