TY  - BOOK
AU  - Cozby, Paul C. 
TI  - Methods in Behavioral research
SN  - 9780071281027
AV  - BF76.5 .C67 2009 
PY  - 2009/// ,
CY  - U.S.A
PB  - McGraw Hill
KW  - Scientific research
N1  - Includes index
ER  -