[1]
DjokosetiyantoD., SunarmaA., and Widanarni.., “Changes of Ammonia, Nitrite and Nitrate at Recirculation System of Red Tilapia (Oreochromis sp.) Rearing”, Jurnal Akuakultur Indonesia, vol. 5, no. 1, pp. 13-20, Jan. 2007.