SukendaS., FirmansyahA. L., RahmanR., NuryatiS., and HidayatullahD., “Efficacy of Streptococcus agalactiae vaccine strains N3M and N4M in fry tilapia infected by different strains of S. agalactiae”, Jurnal Akuakultur Indonesia, vol. 17, no. 2, pp. 168-180, Jul. 2018.