Community economic contributions from recreational trails usage on public lands: implications from a comprehensive Wyoming case study.Amy M Nagler,Christopher T Bastian, David T Taylor,Thomas Foulkemag(2013)引用 22|浏览16暂无评分关键词economic impact,public domainAI 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