农业科研投资的经济效益测算、时空特征与影响因素——基于空间计量经济模型及中国的实证
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1001-8409|31|11|11-15
ISSN: 1001-8409
Source: 软科学, Vol.31, Iss.11, 2017-01, pp. : 11-15
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Abstract