Research design qualitative, quantitative, and mixed method approaches

ग्रंथसूची विवरण
मुख्य लेखक: Creswell, John W.
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Thousand Oaks, Calif. Sage Publications c2003.
संस्करण:2nd ed.
विषय: