Budiardi, T., W. Cahyaningrum, and I. Effendi. 2007. “Utilization Efficiency of Yolk Egg on Maanvis (Pterophyllum Scalare) Embryos and Larvae in Different Incubation Temperatures”. Jurnal Akuakultur Indonesia 4 (1): 57-61. https://doi.org/10.19027/jai.4.57-61.