Suprayudi, M.A. et al. 2007. Effect of Enriched Feed by Immunostimulant on Immune Response and Growth of Humpback Grouper, Cromileptes altivelis. Jurnal Akuakultur Indonesia. 5, 1 (Jan. 2007), 77–86. DOI:https://doi.org/10.19027/jai.5.77-86.