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Research design : qualitative, quantitative, and mixed methods approaches /
| Autor principal: | |
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| Formato: | Printed Book |
| Lenguaje: | English |
| Publicado: |
New Delhi :
Sage,
2009.
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| Edición: | 3rd ed. |
| Descripción Física: | xxix, 260 p. |
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| ISBN: | 9788132107484 |