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1by Tahir, M., FAO, Rome (Italy). Plant Production and Protection Div. eng, FAO/SIDA Seminar on Field Food Crops in Africa and the Near East eng 18 Sep 1977 2 Lahore (Pakistan), Rao, M.V., Khalil, O.H.S., Oggema, M.W., Khalifa, M.A.
Published 1978Texto bibliotecaFAO IT