TY  - BOOK
T1  - Foundations of program evaluation theories of practice
A1  - Shadish, William R.
A2  - Cook, Thomas D.
A2  - Leviton, Laura C.
LA  - English
PP  - Newbury Park, Calif.
PB  - Sage
YR  - 1991
UL  - https://tuklas.up.edu.ph/Record/UP-99796217606185147
OP  - 529
CN  - H 62 S49
SN  - 0080393551
KW  - Evaluation research (Social action programs)
ER  -