1. Abraham, A. 2006. Perceptions of the Linkages between teaching Contexts, Approaches to Learning and Outcomes. Research Online institutional repository for the University of Wollongong.
2. Arikunto, Suharsimi. 2013. Educational Evaluation Basics. Jakarta: Bumi Aksara.
3. Belkaoui, A. R. (1992). Accounting Theory. 3rd ed. New York : 5th ed. Boston.
4. Carroll, Margaret Kelly. 2011. Fun and Games in Higher Education. Eastern Education Journal, Vol 40(1) spring. pp. 23 – 32.
5. Dale, E.1859. Audiovisiual methods inteaching. 3rd ed. New York : Holt.