Message from, Dr Hussein A. Gezairy, Regional Director, WHO Eastern Mediterranean Region, to the CEHA Regional workshop on gems/water implementations in the Eastern Mediterranean Region, Amman, Jordan, 4-6 December 1995
引用
World Health Organization. Regional Office for the Eastern Mediterranean. (1995). Message from, Dr Hussein A. Gezairy, Regional Director, WHO Eastern Mediterranean Region, to the CEHA Regional workshop on gems/water implementations in the Eastern Mediterranean Region, Amman, Jordan, 4-6 December 1995. https://iris.who.int/handle/10665/125347