教科文组织总干事伊琳娜·博科娃“防治荒漠化”世界日致辞,2016年6月17日

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Bibliographic Details
Main Author: UNESCO. Director-General, 2009-2017 (Bokova, I.G.)
Format: programme and meeting document biblioteca
Language:chi
Subjects:Desertification, Drought control, Soil conservation, Land use, Community participation, World Day to Combat Desertification and Drought,
Online Access:https://unesdoc.unesco.org/ark:/48223/pf0000245061_chi
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