PROFILE OF VISITORS TO CULTURAL HERITAGE ATTRACTIONS IN BULGARIAVasil Marinov,Mariana Assenova, Vera Nikolova, Atanas Kazakov,Radenka Mitova,Elena PetkovaInternational Scientific Conference Geobalcanica Proceedings(2020)引用 0|浏览0暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要