TY  - BOOK
AU  - Creswell John W.
AU  -  Clark Vicki L. Plano
TI  - Designing and conducting :  Mixed methods research
SN  - 1412927927 (hbk)
U1  - Sigma:g, P7 
PY  - 2007///
CY  - Thousand
PB  - Oaks Sage Publications      
KW  -  RESEARCH METHODS
KW  - SOCIAL SCIENCES
ER  -