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050201s1990 mx a spa |
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|a 9682436265
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|a Sistema Bibliotecario Universidad de El Salvador
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|a Munch, Lourdes
|
| 245 |
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|a Métodos y técnica de investigación /
|c Lourdes Munch Ernesto Angeles.
|
| 250 |
|
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|a 2a ed.
|
| 260 |
|
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|a México :
|b Trillas,
|c 1990
|
| 300 |
|
|
|a 166 p. ;
|b il
|
| 500 |
|
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|a Incluye bibliografía e índice
|
| 650 |
|
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|a ADMINISTRACION-INVESTIGACION
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| 650 |
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|a INGENIERIA-INVESTIGACION
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