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- [2] Evaluation of the Sustainability of Tourism in Ihlara Valley and Suggestions EUROPEAN JOURNAL OF SUSTAINABLE DEVELOPMENT, 2015, 4 (02): : 165 - 174
- [8] Review and evaluation of existing international systems of tourism sustainability indicators HRVATSKI GEOGRAFSKI GLASNIK-CROATIAN GEOGRAPHICAL BULLETIN, 2020, 82 (01): : 85 - 110