四川省耕地利用效率及影响因素分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1672-612x|34|5|110-115

ISSN: 1672-612x

Source: 绵阳师范学院学报, Vol.34, Iss.5, 2015-01, pp. : 110-115

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Abstract