Planning for water and sanitation programs in Central America - Méndez, Michelle (U.S. Agency for International Development, Bureau for Science and Technology, 1991)
"Water and Sanitation for Health Porject Contract no. DPE-5973-Z-00-8081-00, Porject no. 836-1249 is sponsored by the Office of Health, Bureau for Science and Technology U.S. Agency for International Development Washington D.C. 20523"