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Barriga, Omar A.
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Concha R., Víctor
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Henríquez A., Guillermo
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Title:
Los conceptos de validez en la investigación social y sus problemas pedagógicos
Author:
Concha R., Víctor
/
Barriga, Omar A.
/
Henríquez A., Guillermo
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Español
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37
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Sociología
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validez
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