Innovative Technologies and Learning Second International Conference, ICITL 2019, Tromsø, Norway, December 2-5, 2019, Proceedings - Rønningsbakk, Lisbet; Rønningsbakk, Lisbet; Wu, Ting-Ting; Wu, Ting-Ting; Sandnes, Frode Eika; Sandnes, Frode Eika; Huang, Yueh-Min; Huang, Yueh-Min (Springer International Publishing : Imprint: Springer, 2019)