Jusadi, D., et al. “Vitamin C Content in Daphnia Sp. Enriched With L-Ascorbic Acid Ethyl Cellulose at Different Enrichment Period”. Jurnal Akuakultur Indonesia, vol. 7, no. 1, Jan. 2008, pp. 11-17, https://doi.org/10.19027/jai.7.11-17.