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World Association of Soil and Water Conservation (WASWAC). All Rights Reserved.
Address: The Secretariat of the WASWAC, Room 402, IRTCES Building, No.20 Chegongzhuang Road West, Beijing, 100048, China
Tel: +86 10 68786579 Fax:+86 10 68411174 Email: waswac@foxmail.com waswac@vip.163.com
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