TY  - BOOK
AU  - Patton,Michael Quinn
TI  - Qualitative research & evaluation methods: integrating theory and practice 
SN  - 9781412972123 (hbk.)
PY  - 2015///
CY  - Thousand Oaks, California
PB  - SAGE
KW  - Social sciences
KW  - Methodology
KW  - Evaluation research (Social action programs)
N1  - Includes bibliographical references and index
ER  -