×
模态框（Modal）标题
在这里添加一些文本
Close
Close
Submit
Cancel
Confirm
×
模态框（Modal）标题
×
Welcome to Chinese Agricultural Science Bulletin,
CASB
Home
About
Editorial board
For authors
Submit manuscript
Instruction
Template
Copyright agreement
For reviewers
Review policy
Reviewer login
Scientific editor login
EIC login
Office login
Browse
Online first
Current issue
Archive
Special issue
Top downloaded
Top viewed
Top cited
Ethics policy
Subscription
Download
Contact
中文
Efficiency Analysis of Direct Grain Subsidy Policy in Beijing City
张荣驹 穆月英
Chinese Agricultural Science Bulletin . 2014, (
8
): 89 -95 . DOI: 10.11924/j.issn.1000-6850.2013-2149
