TY  - BOOK
AU  - Rutman,Leonard
TI  - Evaluation research methods: a basic guide 
SN  - 0803909071 :
U1  - 300.18 
PY  - 1977///
CY  - London
PB  - SAGE
KW  - Evaluation research (Social action programs)
N1  - Includes index
ER  -