Agribusiness. 1993;9(1):15-27. doi: 10.1002/1520-6297(199301)9:1<15::aid-agr2720090103>3.0.co;2-v Q22.42025

Structural change among agricultural input industries

农业投入品产业结构变化

DOI: 10.1002/1520-6297(199301)9:1<15::aid-agr2720090103>3.0.co;2-v

摘要

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