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Filters: Author is Helvetas -Zurich, CH, Swiss Association for International Cooperation  [Clear All Filters]
1985
C. M. Helvetas - Yaounde, Helvetas -Zurich, CH, Swiss Association for International Cooperation, y Gallen, C. H. S. K. A. T. - St., Manual for rural water supply : with many detailed constructional scale-drawings, 5th ed.ª ed. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management), 1985, p. 175 p., [10] fold-out techn. drwngs: fig.
B. E. A. T. O. L. - Leuven, Helvetas -Zurich, CH, Swiss Association for International Cooperation, y Gallen, C. H. S. K. A. T. - St., Manuel technique pour l'approvisionnement en eau des zones rurales : avec de nombreux dessins detailles, 3th ed.ª ed. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management), 1985, p. 183 p.: fig., tab.
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Helvetas -Zurich, CH, Swiss Association for International Cooperation, «Helvetas Partnerschaft». Helvetas, Swiss Association for Development and Cooperation, Zurich, Switzerland.
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