青少年营地——GB/T31710.4-2015《休闲露营地建设与服务规范第4部分:青少年营地》

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1674-5701|volume|10|54-59

ISSN: 1674-5701

Source: 标准生活, Vol.volume, Iss.10, 2015-01, pp. : 54-59

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Abstract