Biblio

R. B. Isely and Yohalem, D., “A workshop design for community participation”, vol. no. 33. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. 2 vol. (ca. 380 p ; ca. 290 p.): tab., 1988.

R. B. Isely, Ashworth, J., Faiia, S., Donovan, R., and Thomson, J., “Framework and guidelines for CARE water supply and sanitation projects”, vol. no. 40. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. vii,163 p.: fig., tab., 1986.