TY  - BOOK
AU  - Patton,Michael Quinn
TI  - Qualitative evaluation and research methods
SN  - 0803937792
AV  - H62 .P38 1990
PY  - 1990///
CY  - Newbury Park, Calif.
PB  - Sage Publications
KW  - Social sciences
KW  - Methodology
N1  - Includes bibliographical references and index
ER  -