1. AAN (1999). Arsenic contamination of groundwater in Bangladesh: Interim report of the research at Samta Village. Bangladesh: Asian Arsenic Network, Research Group for Applied Geology and the National Institute for Preventive and Social Medicine.
2. Acharyya, S. K., Chakraborty, P., Lahiri, S., Raymahashay, B. C., Guha, S., & Bhowmik, A. (1999). Arsenic poising in the Ganges Delta. Nature, 401, 545. doi: 10.1038/44052 .
3. Ahmed, K. M., Bhattacharya, P., Hasan, M. A., Akhter, S. H., Alam, S. M. M., Bhuyian, M. A. H., et al. (2004). Arsenic enrichment in groundwater of the alluvial aquifers in Bangladesh: An overview. Applied Geochemistry, 19, 181–200. doi: 10.1016/j.apgeochem.2003.09.006 .
4. Ahmed, K. M., Hoque, M., Hasan, M. K., Ravenscroft, P., & Chowdhury, L. R. (1998). Occurrence and origin of water well CH4 gas in Bangladesh. Journal of the Geological Society of India, 51, 697–708.
5. Akai, J., Izumi, K., Fukuhara, H., Masuda, H., Nakano, S., Yoshimura, T., et al. (2004). Mineralogical and geomicrobiological investigations on groundwater arsenic enrichment in Bangladesh. Applied Geochemistry, 19, 215–230. doi: 10.1016/j.apgeochem.2003.09.008 .