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00947nam a22002771a 4500 |
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UNA01000168153 |
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20120328201234.0 |
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080728s2000 us 00010 spa d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 041 |
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|a Es
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| 082 |
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|a 037611
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| 100 |
1 |
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|a Vaughan, William J.
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| 110 |
1 |
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|a Inter-American Development Bank
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| 245 |
1 |
4 |
|a The Optimal Sample Size for Contingent Valuation Surveys :
|b Applications to Project Analysis.
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| 260 |
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|a Washington, DC US:
|b Banco Interamericano de Desarrollo,
|c 2000
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| 300 |
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|a 40 p.
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| 650 |
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4 |
|a METODOS DE INVESTIGACION
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| 650 |
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4 |
|a ESTADISTICA
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| 650 |
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4 |
|a DATOS ESTADISTICOS
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| 700 |
1 |
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|a Darling, Arthur H.
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| 710 |
1 |
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|a Banco Interamericano de Desarrollo
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| 710 |
1 |
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|a Departamento de Desarrollo Sostenible
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| 710 |
1 |
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|a División de Medio Ambiente
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| 852 |
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|a CIDCSO
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| 901 |
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|a EGC-20050309
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| 902 |
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|a Teoría y Métodos en Ciencias Sociales
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