Biblio

Academy for Educational Development -Washington, DC, US y USAID -Washington, DC, US, «Integrating hygiene improvement into HIV/AIDS programming to reduce diarrhea». Academy for Educational Development, Washington, DC, USA, p. 6 p., 2006.

USAID -Washington, DC, US, «Designing small dams», vol. no. RWS.1.D.5. USAID, Washington, DC, USA, p. 12 p.: 10 fig., 5 tab., 1982.

USAID -Washington, DC, US, «Operating and maintaining household treatment systems», vol. no. RWS.3.O.1. USAID, Washington, DC, USA, p. 4 p.: 3 fig., 1982.