TY  - BOOK
AU  - Hayes, Andrew F.
TI  - Introduction to mediation, moderation, and conditional process analysis: a regression-based approach 
SN  - 9781609182304
U1  - 001.422 
PY  - 2013///
CY  - New York
PB  - Guilford Press
KW  - Mediation
KW  - Regression analysis
ER  -