Abubakar Usman and Nasir Mu`Azu Kontagora
Pakistan Journal of Nutrition 9 ( 4 ): 387 - 391 , 2010
F. Busari Abdullahi, Abubakar Usman and A.T. Cole
Pakistan Journal of Nutrition 9 ( 4 ): 380 - 386 , 2010