Ethiopia an economic analysis of technological change in four agricultural production systems
| Autore principale: | |
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| Natura: | Libro |
| Lingua: | English |
| Pubblicazione: |
East Lansing
African Studies Center, Michigan State University
c1974.
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| Serie: | Occasional papers series Committee on Ethiopian Studies, Michigan State University
monograph no. 2 |
| Soggetti: |