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20111214005440.0 |
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111213 r ||||| eng |
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|a 9314978
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| 040 |
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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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|a 310
|b J
|2 00
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| 100 |
1 |
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|a El-Badry, M. A.
|e Autor/a
|4 aut
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| 245 |
1 |
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|a A sampling procedure for mailed questionaires
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| 300 |
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|a 209-227
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| 650 |
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|a MUESTREO
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| 773 |
0 |
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|7 nnab
|t Vol.51, no.273 - Vol.51, no.276
|g Vol.51, no.274
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| 912 |
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|a 14-DEC-2011 - FALLAS GARRO, PAOLA
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| 917 |
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|a 13-DEC-2011 - FALLAS GARRO, PAOLA
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| 949 |
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|a -PFG
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| 916 |
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|a Reconversión
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