Technology and Innovation in Learning, Teaching and Education First International Conference, TECH-EDU 2018, Thessaloniki, Greece, June 20-22, 2018, Revised Selected Papers - Tsitouridou, Meni; Tsitouridou, Meni; A. Diniz, José; A. Diniz, José; Mikropoulos, Tassos A.; Mikropoulos, Tassos A. (Springer International Publishing : Imprint: Springer, 2019)