Hanan, E.-S.B. et al. 2019. Beneficial Effects of Dietary Bacillus subtilis and Citric Acid Supplementation on Growth Performance, Feed Efficiency and Body Composition of Juvenile Red Hybrid Tilapia (O. Niloticus×O. mosambicus). Pakistan Journal of Nutrition. 18, 10 (Sep. 2019), 906–913. DOI:https://doi.org/10.3923/pjn.2019.906.913.