1. Persuasion: how opinions and attitudes are changed;Abelson,1959
2. Attitude-behaviour relations: a theoretical analysis and review of empirical research;Ajzen;Psychological Bulletin,1977
3. Transmission and Interpretation;Barnes;Educational Review,1974
4. The Moral Education Project (year 5): Curriculum and pedagogy for reflective values education;Beck,1978
5. Information's effect on attitude: a longitudinal study;Burrus-Bammel;The Journal of Environmental Education,1978