Quality Assurance and Certification in Ecotourism (Ecotouris girro 2014年2月9日 25 阅读 0 评论 交通运输 Quality Assurance and Certification in Ecotourism (Ecotouris by: R. Black, A. Crabtree Publisher: CABI Print length: 464 Publication Date: 2007-12-13 ISBN-10: 1845932374 ISBN-13: 9781845932374 < 资源下载资源下载价格10元立即购买