TY  - BOOK
AU  - Weiss,Carol
TI  - Evaluation research: methods of assessing program effectiveness
SN  - 0132921936
PY  - 1972///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Evaluation research (Social action programs)
N1  - Includes index; Bibliography: p.129-154
ER  -