TY  - BOOK
AU  -  Weiss, Carol H. 
TI  -  Evaluation research: : methods for assessing program effectiveness  
SN  - 0132921936
AV  - H62   .W39 1972
PY  - 1972///]
CY  -  Englewood Cliffs, N.J.,  
PB  -  Prentice-Hall 
KW  -  Evaluation research (Social action programs)
N1  - Includes bibliographies.
ER  -