TY  - BOOK
AU  - Struening,Elmer L
AU  - Guttentag,Marcia
TI  - Handbook of evaluation research 
SN  - 0803904282
AV  - H62 .H2454
U1  - 300.72 22
PY  - 1975///
CY  - New Delhi
PB  - Sage
KW  - Evaluation research (Social action programs)
KW  - Social sciences
KW  - Methodology
N1  - Includes bibliographies and indexes
ER  -