农业生产性服务对农业技术进步贡献的影响
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1672-0202|14|1|8-15
ISSN: 1672-0202
Source: 华南农业大学学报:社会科学版, Vol.14, Iss.1, 2015-01, pp. : 8-15
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Abstract