China State Farms Economy 1984 Issue 20 dui hei long jiang ken qu fan liang fan he ji zi wen ti de ji dian kan fa

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China State Farms Economy
1007-8401
1984 Issue 20

dui hei long jiang ken qu fan liang fan he ji zi wen ti de ji dian kan fa
fan wei chang ;

..............page:18-25

guan yu nong ken gai ge ji ge wen ti de tan tao
zuo zheng kun ;

..............page:25-30

dui jia ting nong chang de diao cha ren shi he jian yi
zhang gui hai ;

..............page:2-11

shi xian chan zhi fan fan de nong ken qi ye de chu bu jing yan

..............page:11-17