SN., DanaD., MaloleM. and PasaribuF. 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 (Aug. 2007), 43-46. DOI:https://doi.org/10.19027/jai.3.43-46.