TY  - GEN
AU  - Alkin, Marvin C. (ed)
TI  - Evaluation roots : tracing theorists' views and influences
SN  - 0761928944
PY  - 2004///
CY  - California
PB  - Sage Publications
KW  - Evaluation research (Social action programs)
KW  - Evaluation research (Social action programs) - History
ER  -