La MuhamadI., SetiawatiM., WiyotoW., and EkasariJ., “Dietary supplementation of betain to improve the growth and feed utilization in hybrid grouper (Epinephelus lanceolatus♂ × Epinephelus fuscoguttatus♀) juvenile”, Jurnal Akuakultur Indonesia, vol. 20, no. 1, pp. 24-33, Mar. 2021.