Welcome to Chinese Agricultural Science Bulletin,
CASB
The Analysis of Agriculture Corporation Case Between Beijing and Chengde
Ma Tongbin, Li Hua, Liu Xuejun, Wang Jun, Li Xingjia ,Wang Younian
Chinese Agricultural Science Bulletin . 2008, (12): 551 -555 .  DOI: 10.11924/j.issn.1000-6850.2008-0549