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230526s1997 dcuad gr ||||||eng d |
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|a 0821339435
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 245 |
1 |
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|a Investing in pastoralism :
|b sustainable natural resource use in arid Africa and the Middle East /
|c David John Pratt, Francois Le Gall, and Cornelis de Haan.
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| 260 |
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|a Washington, D.C. :
|b The World Bank,
|c 1997.
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| 300 |
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|a x, 159 páginas :
|b ilustraciones en blanco y negro, gráficos en blanco y negro.
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| 490 |
0 |
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|a World Bank technical paper no
|v 365
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| 949 |
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|a -AEM
|