Intergenerational holidaysElke Hermans, Elien Herregodts,Veerle CopsHandbook of Social Tourism(2020)引用 0|浏览2暂无评分关键词intergenerational holidaysAI 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