1. Home page of Ajzen, I.: Research Interests. http://people.umass.edu/aizen/research.html.
2. The theory of planned behavior;Ajzen;Organ. Behav. Hum. Decis. Process.,1991
3. Relazione Territoriale Stralcio Sulla Campania [Extract of the Report related to the Campania area],2007
4. The Health Belief Model and Personal Health Behavior;Becker,1974
5. “The End of the Karlsruhe Garbage Miracle [Das Karlsruhe Müllwunderist Am Ende],”;Bernhard,2004