TY  - BOOK
AU  - Suchman Edward A.
TI  - Evaluative research :  principal and practice in public service and social action programs
U1  - Y:f3, K7;L4 
PY  - 1974///
CY  - New York
PB  - Russell Sage Foundation USA   
KW  - SOCIOLOGY
N1  - Includes index
ER  -