1. Ally, M., and A. Tsinakos. 2014. Increasing access through mobile learning. Retrieved from
http://www.col.org/PublicationDocuments/pub_Mobile%20Learning_web.pdf
.
2. Ally, M. 2005. Using learning theories to design instruction for mobile learning devices. In Mobile learning anytime everywhere, 5–8. London: Learning and Skills Development Agency.
3. Attewell, J., and C. Savill-Smith. 2005. Learning with mobile devices research and development. Retrieved from
http://www.m-learning.org/docs/Learning%20with%20Mobile%20Devices%20-%20A%20Book%20of%20Papers%20from%20MLEARN%202003.pdf
.
4. Behera, S.K. 2013. E- and M-learning: a comparative study. International Journal on New Trends in Education and Their Implications 4(3). Retrieved from
http://www.ijonte.org/FileUpload/ks63207/File/08.behera.pdf
.
5. Brown, H.T. 2005. Towards a model for M-learning. International Journal on E-Learning 4(3): 299–315.