TY  - BOOK
T1  - Quasi-experimentation a design and analysis issues for field setting
A1  - Cook, Thomas D.
A2  - Campbell, Donald Thomas 1916-
LA  - English
PP  - Chicago
PB  - Rand McNally College Pub. Co.
YR  - 1979
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125168153
OP  - 306
CN  - H62 C58
KW  - Social Science : Field work.
KW  - Social science research.
ER  -