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1by Cortenbach, F., FAO, Rome (Italy). Land and Water Development Div. eng, Khaled, Z., Al-Ghulaibi, N., Saleh Salaam, A., Johaish, A., Renewable Natural Resources Foundation, Bethesda, MD (USA) eng, Ministry of Agriculture and Irrigation, Sana'a (Yemen). Agricultural Research and Extension Authority eng
Published 1998Texto bibliotecaFAO IT