Etienne, G.

Muehlbauer, J. & Etienne, G., 1986. Training system for technical personnel of water supply and sanitation institutions in Central America, Panama and the Dominican Republic : mid term evaluation, August 1986, Washington, DC, USA: Pan American Health Organization (PAHO). Available at: https://fr.ircwash.org/sites/default/files/827AAC86-6583.pdf.