1. Matthew, J.K.: What is TPACK?
http://www.matt-koehler.com/tpack/what-is-tpack/
. Accessed 24 Apr 2018
2. TPACK.ORG: Using the TPACK image. TPACK
http://tpack.org/
. Accessed 20 Mar 2018
3. Ota, C., DiCarlo, C.F., Burts, D.C.: Training and the needs of university learners.
https://joe.org/joe/2006december/tt5.php
. Accessed 23 May 2018
4. White, D.L.: Gatekeepers to millennial careers: teachers who adopt technology in education. In: Handbook of Mobile Teaching and Learning, pp. 1–10 (2015)
5. Looi, C., Wong, L., So, H., Seow, P., Toh, Y., Chen, W., Soloway, E.: Anatomy of a mobilized lesson: learning my way. Comput. Educ. 53(4), 1120–1132 (2009)