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4
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An economic evaluation of irrigation rehabilitation projects in Mexico / prep. by Richard C. Manning, Ofelia M. Ela.
- 874
- International bank for reconstruction and development. Economics department [etc.],
- 1971.
- [Washington, DC] :
-
Report on the world tea economy / prep. by Dieter Elz.
- International bank for reconstruction and development. Economics department [etc.],
- 1971.
- [Washington, DC] :
-
Specialized grazing systems : their place in range management / by Thomas N. Shiflet and Harold F. Heady.
- 873
- U.S. Department of agriculture. Soil conservation service,
- 1971.
- [Washington, DC] :
-
Urban development in Iran / Ralph Warburton.
- U.S. Department of housing and urban development. Office of international affairs,
- 1971.
- [Washington, DC] :