TY  - BOOK
T1  - Research design qualitative, quantitative, and mixed methods approaches
A1  - Creswell, John W.
LA  - English
PP  - Thousand Oaks, California
PB  - Sage Publications
YR  - 2009
ED  - Third edition.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-1685594773861831570
OP  - 260
CN  - H 62 C74 2009
SN  - 9781412965576 (pbk.)
KW  - Social sciences : Research : Methodology.
KW  - Social sciences : Statistical methods.
ER  -