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• The Arab Gulf states in the shadow of the Iranian nuclear challenge ; working paper El-Hokayem, Emile ; Legrenzi, Matteo [Washington D.C. : The Henry L. Stimson Center], 2006 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2006

• From extension to agricultural information management : issues and recommendations from World Bank experience in the Middle East and North Africa Zijp, Willem [Washington D.C. : The World Bank], 1991 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 1991