Research design qualitative, quantitative, and mixed method approaches

Detalles Bibliográficos
Autor principal:	Creswell, John W.
Formato:	Libro
Lenguaje:	English
Publicado:	Thousand Oaks, Calif. Sage Publications c2003.
Edición:	2nd ed.
Materias:	Social sciences > Research > Methodology. Social sciences > Statistical methods.