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2
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Improvement of development statistics : report of a group of experts meeting on 1-3 December 1975
- United Nations Research Institute For Social Development,
- 1976.
- Geneva :
-
Modernizing Mexican agriculture : socioeconomic implications of technological change, 1940-1970 / Cynthia Hewitt de Alcantara.
- 874
- United Nations Research Institute For Social Development,
- 1976.
- Geneva :