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Google圖書搜尋
Two Blades of Grass
Project on the Diffusion of Innovations in Rural Societies
Prodipto Roy
其他書名
A Summary of Two Studies on Agricultural Innovation in India
出版
National Institute of Community Development
, 1968
URL
http://books.google.com.hk/books?id=h2B9AAAAIAAJ&hl=&source=gbs_api
