TY  - BOOK
AU  - Berk Richard A, ed
AU  - Freeman, Howard E, ed
AU  - Trochim, William M K
TI  - Research design for program evaluation
SN  - 803920377
CY  - Beverly hills
KW  - Evaluation research - social action program
KW  - Research design
KW  - Social research
KW  - Social science research
KW  - Social sciences - methodology
ER  -