TY  - BOOK
AU  - Hayes Andrew F
TI  - Introduction to mediation, moderation and conditional process analysis
T2  - Methodology in the social sciences
SN  - 9781609182304 (hbk)
U1  - Sigma:(B2.8), Q3 
PY  - 2013///
CY  - New York
PB  - Guilford Press USA     
KW  - SOCIAL SCIENCES
ER  -