我国基层林业技术推广存在的问题及对策

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1674-8646|7|10|84-85

ISSN: 1674-8646

Source: 黑龙江科学, Vol.7, Iss.10, 2016-01, pp. : 84-85

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Abstract