| 题名 | Motivational Dimensions of the Camping Experience | 
| 链接 | https://www.tandfonline.com/doi/abs/10.1080/00222216.1977.11970319 | 
如题:Motivational Dimensions of the Camping Experience
连接:https://www.tandfonline.com/doi/ ... 22216.1977.11970319
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