TY  - GEN
AU  - PATTON, Michael Quinn 
TI  - Qualitative research and Evaluation Methods: integrating theory and practice
SN  - 9781412972123
U1  - 001.42 
PY  - 2014///
CY  - London
PB  - Sage
KW  - Social sciences-Methodology
KW  - Evaluation research (Social action programs)
ER  -