1. The theory of planned behavior;Ajzen;Organ. Behav. Hum. Dec.,1991
2. The influence of attitudes on behavior;Ajzen,2005
3. Attitudes: introduction and scope;Albarracin,2005
4. Andersen, H.J., Enevoldsen, C., 2004. Towards a better understanding of the farmer's management practices – the power of combining qualitative and quantitative data. In: Andersen, H.J., PhD thesis, Radgivning, Bev aegelse mellem data og dialog. Mejeriforeningen, Arhus, pp. 281–301.
5. Management style and its association with bulk milk somatic cell count and incidence rate of clinical mastitis;Barkema;J. Dairy Sci.,1999