Islam, S. M. N., Rahman, S. H., Chowdhury, D. A., Rahman, M. M. and Tareq, S. M. (2011) “Seasonal Variations of Arsenic in the Ganges and Brahmaputra River, Bangladesh”, Journal of Scientific Research, 4(1), p. 65. doi: 10.3329/jsr.v4i1.7820.