1. Ahmed, M. K., Mehedi, M. Y., Huque, M. R., & Ahmed, F. (2002). Heavy metal concentration in water and sediment of sundarbans mangrove forest, Bangladesh. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 4(2), 171–179.
2. Ahmed, M. K., Mehedi, M. Y., Haque, M. R., & Ghosh, R. K. (2003). Concentration of heavy metals in two upstream rivers sediment of the sundarban mangrove forest. Asian Journal of Microbiology, Biotechnology & Environmental Sciences, 5(1), 41–47.
3. Ahmed, M. K., Akhand, A. A., Hasan, M., Islam, M. M., & Hasan, M. A. (2008). Toxicity of arsenic (sodium arsenite) to fresh water spotted snakehead (Channa punctatus Bloch and Schneiber, 1801) on cellular death and DNA content. American-Eurasian Journal Agricultural and Environmental Sciences, 4(1), 18–22.
4. Ahmed, M. K., Biswas, D. R., Islam, M. M., Akter, M. S., Kazi, A. I., & Sultana, G. N. N. (2009). Heavy metal concentrations in different organs of fishes of the river Meghna, Bangladesh. Terrestrial and Aquatic Environmental Toxicology, 3(1), 28–32.
5. Ahmed, M. K., Bhowmik, A. C., Rahman, S., Haque, M. R., & Hasan, M. M. (2010a). Heavy metal concentrations in water, sediments and their bioaccumulations in fishes and oyster in Shitalakhya River. Asian Journal of Water, Environment and Pollution, 7(1), 77–90.