TY  - BOOK
AU  - Patton,Michael Quinn
TI  - Qualitative evaluation and research methods
SN  - 9780803937796
U1  - 300.723 22
PY  - 1990///
CY  - Newbury Park
PB  - Sage Publications
KW  - Evaluation research (Social action programs)
N1  - includes references
ER  -