TY  - GEN
AU  - Creswell,John W.
TI  - Research Design: qualitative, quantitative, and mixed methods approaches 
SN  - 0761924426 (pbk)
U1  - 300.72 22
PY  - 2003///
CY  - Thousand oaks
PB  - Sage Publication
KW  - Social sciences
KW  - Research methodology
KW  - Statistical methods
N1  - Includes bibliographical references (p. 228-236) and index (p. 237-245)
ER  -