TY  - BOOK
AU  - _Howard E. Freeman 
TI  - _Evaluation A systematic Approach (4th ed.) Peter H. Rossi 
SN  - 803934890
AV  - H 62 .R666 1989  
CY  - California Sage 1989 
KW  - _Evaluation Research
N1  - Includes index
ER  -