Putra, A.N. et al. 2015. Growth Performance of Tilapia (Oreochromis niloticus) Fed with Probiotic, Prebiotic and Synbiotic in Diet. Pakistan Journal of Nutrition. 14, 5 (Apr. 2015), 263–268. DOI:https://doi.org/10.3923/pjn.2015.263.268.