Assessing development impact series / ADB. Manila, Philippines: Asian Development Bank.
M. C. Freeman, Saboori, S., Porter, S., y Rheingans, R.,
«Assessing the sustainability & effectiveness of school WASH projects : a toolkit». Center for Global Safe Water at Emory University, Atlanta, GA, USA, p. 72 p.
P. K. Aga Khan H. Gilgit,
«BACIP house improvements : an overview of new products (end 1999)». Aga Khan Planning and Building Service (AKPBS), Gilgit, Pakistan, p. ii, 60 p. + 4 p. annexes : fig., photogr.
S. Cairncross,
«Bacteriological testing of water». Water and Environmental Health at London and Loughborough (WELL), Loughborough, UK, p. 3 p.