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《GSTC Sustainable Tourism Course (Bahasa Indonesia) in Yogyakarta, Indonesia, 14-16 May, 2024》的评论 https://www.gstc.org/sustainable-tourism-course-yogyakarta-may-2405-id/?lang=zh-hans Global Sustainable Tourism Council: Sustainable Travel & Tourism, GSTC Criteria, Certification Thu, 06 Jun 2024 08:50:52 +0000 hourly 1