黑龙江省游泳救生员职业培训现状与可持续发展研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1672-3791|15|2|198-199

ISSN: 1672-3791

Source: 科技资讯, Vol.15, Iss.2, 2017-01, pp. : 198-199

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Abstract