I. La Muhamad, M. Setiawati, W. Wiyoto, and J. Ekasari, “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, doi: 10.19027/jai.20.1.24-33.