Johnny, F., et al. “Study of the Influence Hormone LHRH-a and 17a-MT of Hemocytology on Orange Spot Grouper Broodstock, Epinephelus Coioides”. Jurnal Akuakultur Indonesia, vol. 6, no. 1, Jan. 2007, pp. 27-35, https://doi.org/10.19027/jai.6.27-35.