La MuhamadI., SetiawatiM., WiyotoW. and EkasariJ. 2021. Dietary supplementation of betain to improve the growth and feed utilization in hybrid grouper (Epinephelus lanceolatus♂ × Epinephelus fuscoguttatus♀) juvenile. Jurnal Akuakultur Indonesia. 20, 1 (Mar. 2021), 24-33. DOI:https://doi.org/10.19027/jai.20.1.24-33.