Giuseppe T. Cirella "Sustainable Ecotourism Development: Integrating Public Marketing, Community Engagement, and Environmental Stewardship in Ukraine" in (英语) 《 Handbook on Post-War Reconstruction and Development Economics of Ukraine》、Springer、第277頁 Retrieved on 2024年2月22日. DOI: 10.1007/978-3-031-48735-4. ISBN: 978-3-031-48734-7. Name ok, no licence, "Wikimedia Commons", Raymond (留言) 08:51, 22 February 2024 (UTC)[回复]