T. Budiardi, W. Cahyaningrum, and I. Effendi, “Utilization Efficiency of Yolk Egg on Maanvis (Pterophyllum scalare) Embryos and Larvae in Different Incubation Temperatures”, Jurnal Akuakultur Indonesia, vol. 4, no. 1, pp. 57–61, Jan. 2007, doi: 10.19027/jai.4.57-61.