Manoppo, Henky, et al. “Enhancement of Non-Specific Immune Response, Resistance and Growth of (Litopenaeus Vannamei) by Oral Administration of Nucleotide”. Jurnal Akuakultur Indonesia, vol. 10, no. 1, Jan. 2011, pp. 1-7, https://doi.org/10.19027/jai.10.1-7.