1. Ajzen, I. (2005a). Behavioral interventions based on the theory of planned behavior: Brief description of the theory of planned behavior. http://people.umass.edu/aizen/pdf/tpb.intervention.pdf
2. Ajzen, I. (2005b). Constructing a theory of planned behavior questionnaire: Brief description of the theory of planned behavior. http://people.umass.edu/aizen/pdf/tpb.measurement.pdf
3. Ajzen, I. (2005c). Sample TpB questionnare. http://people.umass.edu/aizen/pdf/tpb.questionnaire.pdf
4. Akkus, A. (2013). Informing Science and Technology Teachers About Cooperative Learning Model, Application of the Model in the Classroom and Evaluation of the Obtained Data: Case of MUŞ. Unpublished Doctorate Thesis, Ataturk University, Turkey.
5. Amoo, A. O., & Swart, A. J. (2018, 17-20 April). The influence of class attendance on the throughput rates of students at a FET college in South Africa [Paper presentation]. IEEE Global Engineering Education Conference: EDUCON, Tenerife, Spain. https://doi.org/10.1109/EDUCON.2018.8363101