The process of innovation in the subsistence agriculture of North-east Thailand : with particular reference to the Lam Pao irrigation area, Changwat Kalasin
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| OCLC: | 23777810 |
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| Language: | English |
| Published: |
University of London,
England : 1974.
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| Format: | Thesis Monograph Microform Note that CRL will digitize material from the collection when copyright allows. |