TY  - BOOK
AU  - Weiss,Carol H.
TI  - Evaluation research: methods for assessing program effectiveness
T2  - Prentice-Hall methods of social science series
SN  - 0132921936
AV  - H62 .W3962
U1  - 300.72  
PY  - 1972///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Evaluation research (Social action programs)
N1  - Bibliography: p. 129-154
ER  -