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20230112100630.0 |
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060714s1997 ||||| eng |
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|a 0803935102
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|a 8580953
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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0 |
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|a eng
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| 082 |
0 |
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|a 300.72
|b B739r
|2 21
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| 100 |
1 |
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|a Boruch, Robert Francis
|d 1942-
|e Autor/a
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| 245 |
1 |
0 |
|a Randomized experiments for planning and evaluation :
|b a practical guide /
|c Robert F. Boruch.
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| 260 |
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|a Thousand Oaks :
|b SAGE,
|c c1997.
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| 300 |
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|a 265 páginas :
|b ilustraciones.
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| 490 |
0 |
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|a Applied social research methods series
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| 650 |
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|a CIENCIAS SOCIALES
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| 650 |
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|x METODOLOGIA
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| 650 |
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|a INVESTIGACIONES EVALUATIVAS (PROGRAMAS DE ACCION SOCIAL)
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| 900 |
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|a 2006
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| 912 |
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|a 17-JUL-2006 - NAVARRO BENAVIDES, MARIA ISABEL
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| 917 |
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|a 14-JUL-2006 - CAMACHO ALFARO, ROSA ISELA
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| 949 |
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|a MI -ASV
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| 916 |
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|a Centro Catalográfico
|