TY  - BOOK
AU  - Thomas D.Cook
AU  - Donald T. Cambell
TI  - Quasi Experimentation: Design and Analysis Issues for field Settings
SN  - 9780395307908
U1  - 621 COO-Q 
PY  - 1979///
PB  - Houghton Miflin Co. London
KW  - Qasi Experimentation -Design and Analysis Issues for feild Settings Quasi Experimentation: Design and Analysis Issues for field Settings
KW  - Thomas D.Cook
KW  - Donald T. Cambell
ER  -