Sandoval L, R.B.

L, R.B.Sandoval, 1974. Water supply and sewerage programs in Latin America and Caribbean countries : 1961-1980, Lima, Peru: CEPIS (Centro Panamericano de Ingenieria Sanitaria y Ciencias del Ambiente). Available at: https://nl.ircwash.org/sites/default/files/826CAR74-9120.pdf.