Provisional agenda :#Economic and Social Commission for Western Asia, Expert Group Meeting on Harmonization of Environmental Standards in the Water Sector of ESCWA Member States, 8th Biennial Meeting of the Arab National Committees of the International Hydrological Programme of UNESCO
标题Provisional agenda :#Economic and Social Commission for Western Asia, Expert Group Meeting on Harmonization of Environmental Standards in the Water Sector of ESCWA Member States, 8th Biennial Meeting of the Arab National Committees of the International Hydrological Programme of UNESCO
