Institute for Rural Water -Washington, DC, US

USAID -Washington, DC, US, National Demonstration Water Project -Washington, DC, US, Institute for Rural Water -Washington, DC, US & National Environmental Health Association -Denver, CO, US, 1982. Water for the world : technical notes : human resources, rural water supply, Washington, DC, USA: USAID. Available at: https://fr.ircwash.org/sites/default/files/201-7288.pdf.