TY  - BOOK
AU  - Abt, Clark C (Ed.)
TI  - The Evaluation of social programs
SN  - 0-8039-0735-4
U1  - 300.72 21st
PY  - 1976///
CY  - Beverly Hills
PB  - Sage
KW  - Social evolution; Social policy; Social problems; Social science-Research
ER  -