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1Irrigation development planning (with particular reference to conditions in Africa, South of the Sahara) - Based on lectures presented at a workshop Irrigation development planning (with particular reference to conditions in Africa, South of the Sahara) - Based on lectures presented at a workshopby Rydzewski, J.R., Southampton Univ. (United Kingdom) eng, Workshop on Irrig. Dev. Planning eng Apr 1977 Accra (Ghana) 18418
Published 1977Texto bibliotecaFAO IT