S, Nuryati, DanaD., MaloleM.B., and PasaribuF.H. 2007. “The Improvement of Protein Retention through a Higher Utilization of Carbohydrate in the Diet With Chromium for Common Carp Cyprinus Carpio Linn.”. Jurnal Akuakultur Indonesia 3 (2), 43-46. https://doi.org/10.19027/jai.3.43-46.