1. Adeniji K. Ogu VI. Sustainable Physical Development in Nigeria: Institute of Social and Economic Research Publications; 1998.
2. Ahmed G, Uddin MK, Khan GM, Rahman MS, Chowdhury DA. Distribution of trace metal pollutants in surface water system connected to effluent disposal points of Dhaka export processing zone (DEPZ), Bangladesh: a statistical approach. J Nat Sci Sustainable Technol. 2009;3:293–304.
3. Ekere NR, Oparanozie TI, Ogbuefi-Chima FI, Ihedioha JN, Ayogu JI. Assessment of some heavy metals in facial cosmetic products. J Chem Pharm Res. 2014;6(8):561–4.
4. Ogbonna DN, Benjamin LK, Patrick OY. Some Physico-chemical and heavy metal levels in soils of waste dumpsites in Port Harcourt municipality and environs. J Appl Sci Environ Manage. 2009;13(4):65–70.
5. Amusan AA, Ige DV, Olawale R. Characteristics of soil and crops uptake of metal in municipal waste dumpsites in Nigeria. J Hum Ecol. 2005;17:167–71.