M. O. LAWAL, A. Z. ADEROLU, and T. T. ADESOLA, “Effects of graded activated charcoal in rice husk diets for mud catfish, Clarias gariepinus juveniles (Teleostei: Clariidae)”, Iran. J. Ichthyol., vol. 3, no. 3, pp. 203–209, Sep. 2016.