Kefi, A. (2013) “Effect of Dietary Soyabean [Glycine max (L.) Merr.] Protein Level on Growth and Feed Utilization of Oreochromis andersonii (Castelnau, 1861)”, Pakistan Journal of Nutrition, 12(11), pp. 990–995. doi:10.3923/pjn.2013.990.995.