TY  - BOOK
AU  - Gravetter, F.J., Forzana, L.A.B.
TI  - Research methods for behavioral sciences
SN  - 9781337613316
U1  - 150.72 
PY  - 2023///
CY  - USA
PB  - Cengage
KW  - Ethics in research , Factorial Design , Defining and Measuring Variable
N1  - index
ER  -