Adeyeye, E.I. (1994) Determinations of Heavy Metals in Illisha Africana Associated with Water, Soil and Sediments from Some Fish Ponds. International Journal of Environmental Studies, 45, 231-240. http://dx.doi.org/10.1080/00207239408710898
 Asaolu, S.S., Ipinmoroti, K.O., Adeyinowo, C.E. and Olaofe, O. (1997) Interrelationship of Heavy Metals Concentrations in Water, Sediments and Fish Samples from Ondo State Coastal Area. Nig. Afri. Journal Sci., 1, 55-61.
 Adefemi, S.O. and Awokunmi, E.E. (2010) Determination of Physicochemical Parameters and Heavy Metals in Water Samples from Itaoqbolu Area of Ondo State. African Journal of Environmental Sciences and Technology, 4, 145-148.
 Dinrifo, R.R., Babatunde, S.O.E., Bankole and Demu, Q.A. (2010) Physicochemical Properties of Rain Water Collected from Some Industrial Areas of Lagos State. Nigeria European Journal of Scientific Research, 41, 383-390.
 Barbier, E.B. (2002) Upstream Dams and Downstream Water Allocation. The Case of the Hadejia Jama’are Flood Plain, Northern Nigeria. Unpublished Ph.D. Thesis Submitted to the Department of Economics and Finance, University of Wyoming, USA.
 Idowu, A.A. (2012) The Effect of Distribution on the Physicochemical Properties and Heavy Metal Levels of Water Supply in Kano Metropolis. Unpublished MSc Dissertation, Department of Pure and Industrial Chemistry, Bayero University, Kano.