略论民国时期河南美棉的引种与推广

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-4769|volume|5|193-196

ISSN: 1000-4769

Source: 社会科学研究, Vol.volume, Iss.5, 2017-01, pp. : 193-196

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Abstract