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3by Allen, C.J., Bouchouchi, N., El Khawad, Hamad, Lynch, James, Zaatari, Moustapha, El Ghannam, Mohammed A.programme and meeting document bibliotecaUNESCO
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5by CASSADY JT, FAO, Rome (Italy). Plant Production and Protection Div. eng, ALLEN CJ, BOOTHBY DG, GWYNNE MD, United Nations Development Programme, New York (USA) eng
Published 1974Texto bibliotecaFAO IT