Oyeyiola, A. O., and M. H. F. O. K.O. Olayinka, B. I. Alo. “DEVELOPMENT OF A FASTER TECHNIQUE FOR THE SPECIATION OF POTENTIALLY TOXIC METALS IN SOIL”. UNILAG Journal of Medicine, Science and Technology, Vol. 1, no. 1, Mar. 2019, pp. 41-51, http://ujmst.unilag.edu.ng/article/view/373.