Kefi, A., Kang'ombe, J., Kassam, D., & Katongo, C. (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), 990–995. https://doi.org/10.3923/pjn.2013.990.995