1. Aixia D, Wang D (2011) Factors influencing learner attitudes toward E-learning and development of E-learning environment based on the integrated E-learning platform. Int J e- Educ e-Bus e-Manage e-Learn 1(3):264–268
2. Allen IE, Seaman J (2010) Class differences: online education in US. Retrieved from http://sloanconsortium.org/sites/default/files/class_differences.pdf
3. Artino AR (2007) Online military training: using a social cognitive view of motivation and self-regulation to understand students’ satisfaction, perceived learning, and choice. Q Rev Distance Educ 8(3):191–202
4. Bandura A (1977) Self-efficacy: toward a unifying theory of behavioural change. Psychol Rev 84(2):191–215
5. Bandura A (1988) Self-regulation of motivation and action through goal systems. In: Hamilton V, Bower GH, Frijda NH (eds) Cognitive perspectives on emotion and motivation. Kluwer Academy, Dordrecht, pp 37–61