Biblio

D. A. Okun, «AID/WASH Workshop on planning and design for community water supply in developing countries», vol. no. 155. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. iii, 53 p.: tab., 1985.

M. B. Pescod y Okun, D. A., «Water supply and wastewater disposal in developing countries : proceedings of a water supply and sanitation seminar held in Bangkok, 19-23 January 1970». Asian Institute of Technology, Bangkok, Thailand, p. 309 pp. : tab., 1971.