TY  - BOOK
AU  - Rossi, Peter H.
AU  - Lipsey , Mark W. 
AU  - Freeman, Howard E. 
TI  - Evaluation: systematic approach
SN  - 9780761908944
U1  - 361.61072 ROS 
PY  - 2004///
CY  - New Delhi
PB  - SAGE Publications
KW  - Evaluation research
N1  - Includes bibliographical reference and index
ER  -