TY  - GEN
AU  - Creswell, John W.
TI  - Research design: qualitative, quantitative, and mixed method approaches 
SN  - 0761924418 (c)
AV  - H62 
U1  - 300/.7/2 
PY  - 2003///
CY  - Thousand Oaks, Calif.
PB  - Sage Publications
KW  - Social sciences
KW  - Research
N1  - Includes bibliographical references (p. 228-236) and indexes
ER  -