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United Nations Environment Programme ,  United Nations Economic and Social Commission for West Asia ,  Food and Agriculture Organization of the United Nations ,  [Resource Conservation and Watershed Management in Wadi Manshiyah, Machrib ans District Yemen Arab Republic] ,  Resource Conservation and Watershed Management in Wadi Manshiyah, Machrib ans District Yemen Arab Republic

United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  [The Ecological Management of Arid and Semi-Arid Rangelands in Africa and the Near and Middle East (EMASAR - Phase II) Volume VII: Near East - Grassland Education and Training with special reference to Iraq, Kuwait, Somalia, Sudan, Syria, Yemen, P.D.R.] ,  The Ecological Management of Arid and Semi-Arid Rangelands in Africa and the Near and Middle East (EMASAR - Phase II) Volume VII: Near East - Grassland Education and Training with special reference to Iraq, Kuwait, Somalia, Sudan, Syria, Yemen, P.D.R.

United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  World Health Organization ,  [Mycotoxines 1987 - Rapport de la deuxième Conference internationale mixte FAO/OMS/PNUE sur les mycotoxines, Micotoxinas 1987 - Informe de la segunda conferencia internacional mixta FAO/OMS/PNUMA] ,  [Nairobi + 10 : Mycotoxins 1987 - Report of the Second Joint FAO/WHO/IJNEP International Conference on Mycotoxins] ,  Nairobi + 10 : Mycotoxins 1987 - Report of the Second Joint FAO/WHO/IJNEP International Conference on Mycotoxins