民国时期察哈尔地区放垦及其对生态环境的影响
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 2095-3771|39|1|34-40
ISSN: 2095-3771
Source: 集宁师范学院学报, Vol.39, Iss.1, 2017-01, pp. : 34-40
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Abstract