[CJ-09-5]30 Years’ Development and Reform for the Grass- roots Agricultural Technology Extension System: Policy Assessments and Recommendations

Author：　　Periodical： 　　Source：

Author：Huang, Jikun, Ruifa Hu and Huayong Zhi　　Periodical： Journal of Agrotechnical Economics, No. 1,2009: 4-10.　　Source： ccap