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Found 4 results
Filters: Keyword is maintenance and Author is Frohlich, U.  [Clear All Filters]
2001
U. Frohlich, Management guide, vol. no. 1. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management), 2001, p. 235 p. : fig., tab.
1991
U. Frohlich, «Cameroon (NW, SW, W) : maintenance and sustainability of community watersupply: workshop Bamenda 19./20. November 1990». Helvetas, Swiss Association for Development and Cooperation, Zurich, Switzerland, p. 37 p.: fig., photogr., 1991.
U. Frohlich y Burgthaler, B., «Hydraulique villageoise au Sahel. I. Document preparatoire pour un seminaire-atelier». MISEREOR, Aachen, Germany, p. 36 p. : fig., tab., 1991.
1990
U. Frohlich, «25 Jahre Projektarbeit in Kamerun : Erfahrungen, Erkentnisse und Lehren». Helvetas, Swiss Association for Development and Cooperation, Zurich, Switzerland, p. 74, 17 p.: fig., tab., 1990.
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