1. Multiple regression: Testing and interpreting interactions;Aiken,1991
2. From intentions to actions: A theory of planned behaviour;Ajzen,1985
3. Attitudes, personality and behavior;Ajzen,1988
4. The theory of planned behaviour;Ajzen;Organizational Behavior and Human Decision Processes,1991
5. Attitude–behavior relations: A theoretical analysis and review of empirical research;Ajzen;Psychological Bulletin,1977