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Journal of Agrotechnical Economics
1000-6370
1992 Issue 2
guo wai chi xu nong ye si chao ji qi dui wo guo nong ye fa zhan de qi shi
wang hong guang
..............
page:9-12
chi xu nong ye de xing qi yu fa zhan qian jing
lu liang shu
..............
page:1-4
