La Muhamad, I. (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), pp. 24–33. doi:10.19027/jai.20.1.24-33.