TY  - BOOK
AU  - Patton, Michael Q.
TI  - Qualitative research & evaluation methods: integrating theory and practice
SN  - 9781412972123
AV  - H 62 .P3218 2014 
PY  - 2015///
CY  - London
PB  - Sage
KW  - Social sciences-Methodology
KW  - Evaluation research (Social action programs)
N1  - includes bibliographical reference and indexes
ER  -