1. Ahmed, G., Uddin, M. K., Khan, G. M., Rahman, M. S., & Chowdhury, D. A. (2009). Distribution of trace metal pollutants in surface water system connected to effluent disposal points of Dhaka Export Processing Zone (DEPZ), Bangladesh: A statistical approach. Journal of Nature Science and Sustainable Technology, 3(4), 293–304.
2. Appelo, C. A. J., & Postma, D. (1996). Geochemistry, groundwaters and pollution. Rotterdam: Balkema (536 pp).
3. Ayres, D. C., & Hellier, D. G. (1998). Dictionary of environmentally important chemicals. London: Blackie A and P.
4. Barzilay, J. I., Weinberg, W. G., & Eley, J. W. (1999). The water we drink: Water quality and its effects on health. New Brunswick: Rutgers University Press (192 pp).
5. Cobelo, G. A., & Ricardo, P. (2004). Influence of point sources on trace metal contamination and distribution in a semi-enclosed industrial embayment: The Ferrol Ria (NW Spain). Estuarine, Coastal and Shelf Science, 60, 695–703.