TY  - BOOK
AU  - GRAVETTER,FREDERICK J.
TI  - Research methords for the behavioral sciences
SN  - 0534197663 (paperback)
U1  - 150.72 
PY  - 2011///
CY  - [S.l.]
PB  - THOMSON LEARNING
UR  - http://www.amazon.com/exec/obidos/ASIN/0534197663/chopaconline-20
ER  -