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Research design : qualitative, quantitative, and mixed methods approaches/

Xehetasun bibliografikoak
Egile nagusia: Creswell, John W.
Formatua: Printed Book
Argitaratua: Los Angeles: Sage Publications, 2014.
Edizioa:4th ed.
Gaiak:
Sarrera elektronikoa:http://www.amazon.in/Research-Design-Qualitative-Quantitative-Approaches/dp/1452226105#reader_B00DYWBXXE