农产品供求格局和区域分布变化对农业生产性服务业需求变化的影响——以农业机械服务业为例
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 2095-3151|volume|51|13-23
ISSN: 2095-3151
Source: 经济研究参考, Vol.volume, Iss.51, 2016-01, pp. : 13-23
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Abstract