Hossain, A. M., Monir, T., Ul-Haque, A. R., Kazi, M. A. I., Islam, M. S. and Elahi, S. F. (2008) “Heavy Metal Concentration in Tannery Solid Wastes Used as Poultry Feed and The Ecotoxicological Consequences”, Bangladesh Journal of Scientific and Industrial Research, 42(4), pp. 397–416. doi: 10.3329/bjsir.v42i4.748.