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Rahman, M.M., Sarker, P.C. & Rahman, Z., 2003. Rain water harvesting : technical and social evaluation in two arsenic affected upazilas of Rajshahi, Dhaka, Bangladesh: NGO Forum for Drinking Water Supply and Sanitation. Available at: https://nl.ircwash.org/sites/default/files/822-BDRA03-18711.pdf.