Effiong, M. U., & Esenowo, I. K. (2018). Effects of Varying Protein Levels on Clarias gariepinus (Burchell, 1822) Growth, Protein Utilization and Yield in Hapa System. Asian Journal of Biology, 5(1), 1-6. https://doi.org/10.9734/AJOB/2018/35557