Message from Dr Hussein A. Gezairy, Regional Director WHO Eastern Mediterranean Region to the first regional workshop for environmental health educators, Amman, Jordan, 25 Novemeber- 3 December 1990
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World Health Organization. Regional Office for the Eastern Mediterranean. (1990). Message from Dr Hussein A. Gezairy, Regional Director WHO Eastern Mediterranean Region to the first regional workshop for environmental health educators, Amman, Jordan, 25 Novemeber- 3 December 1990. https://iris.who.int/handle/10665/124739