问题解决型农业科技知识服务需求分析

万敏1,2,孟宪学1*

Needs Analysis of Problem-solving Agricultural Scientific and Technological Knowledge Service

WAN Min1,2, MENG Xian-xue1*

. 2013, (3): 72 -76 . DOI: 10.3969/j.issn.1008-0864.2013.03.10