TY  - BOOK
AU  - Guttentag,Marcia
AU  - Elmer L.Struening
TI  - Handbook of evaluation research
AV  - AZ 191 G87H 1975
PY  - 1975///
CY  - Beverly, Hills
PB  - Sage
KW  - EVALUATION
KW  - RESEARCH
ER  -