National Center for Social Sciences and Humanities -Hanoi, VN, NCSSH

National Center for Social Sciences and Humanities -Hanoi, VN, NCSSH, 1998. Haiphong water supply and sanitation programme : the awareness and evaluation of customer and supplier on the present water supply service in Haiphong city : report on results of customer and staff surveys, Hanoi, Viet Nam: National Center for Social Sciences and Humanities. Available at: https://es.ircwash.org/sites/default/files/822-VN-16295.pdf.