Serie seminarios y conferencias / ECLAC. Santiago, Chile: United Nations Economic Commission for Latin America and the Caribbean (ECLAC).
«Serie YUNGA imparare ed agire». Food and Agriculture Organization (FAO), S.l.
Series of manuals on drinking water supply / SKAT. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management).
Series on water demand management. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering).