F. Rosensweig, Stanbury, P., y Grimm, C.,
«Development of the national strategy to create and monitor water user associations in Tunisia : action plan», vol. no. 26. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. ix, 88 p., 1990.
F. Rosensweig, Stanbury, P., y Grimm, C.,
«Developpement de la strategie nationale pour la creation et le suivi des associations d'interet collectif en Tunesie : plan d'action», vol. no. 26. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. ix, 87 p., 1990.
B. Carlsson y Drake, E.,
«Handbook for village water supply operators». Botswana, Ministry of Local Government and Lands, Unified Local Government Service, Gaborone, Botswana, p. 108 p.: ill., 1990.
B. Kittle y Gollnitz, W. D.,
«Operator evaluation of small systems»,
Journal American Water Works Association, pp. p. 40-45 : fig., photogr., 1990.