M. Syaifudin, R. Aliah, . Muslim, and K. Sumantadinata, “Relation between broodstock number and spawning frequency and egg production of humpback grouper (Cromileptes altivelis)”, Jurnal Akuakultur Indonesia, vol. 6, no. 2, pp. 191–196, Jul. 2007, doi: 10.19027/jai.6.191-196.