Qualitative research design :
Maxwell, Joseph Alex, 1941-
Qualitative research design : an interactive approach / Joseph A. Maxwell. - 2nd ed. - Thousand Oaks, CA : Sage Publications, c2005. - xiv, 174 p. : ill. ; 23 cm. - Applied social research methods series ; no. 41 .
Qualitative research design : an interactive approach / Joseph A. Maxwell. - 2nd ed. - Thousand Oaks, CA : Sage Publications, c2005. - xiv, 174 p. : ill. ; 23 cm. - Applied social research methods series ; no. 41 .