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00790nam a22001931a 4500 |
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20211115103934.0 |
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080728s1992 sw 000 0 spa d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 333.7316
|b E36e
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| 100 |
1 |
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|a Ekbom, Anders,
|e autor
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| 245 |
1 |
0 |
|a Economic impact assessment of implementation strategies for soil conservation :
|b a comparative analysis of the on-farm and catchment approach in trans Nzoia, Kenya /
|c Anders Ekbom.
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| 260 |
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|a Sweden :
|b Gothenburg University ,
|c 1992.
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| 300 |
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|a 40 páginas.
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| 490 |
0 |
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|a Studies in Environmental Economics and Development ;
|v 2
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| 650 |
0 |
4 |
|a EVALUACION ECONOMICA
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| 650 |
0 |
4 |
|a CONSERVACION DE AGUAS
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| 650 |
0 |
4 |
|a ANALISIS COSTO BENEFICIO
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| 650 |
0 |
4 |
|a ANALISIS ECONOMICO
|