ICERI 2019. international conference of education, research and innovation (12. : 11.-13.11.2019 : Seville, Spain)

ICERI 2019 : 12th international conference of education, research and innovation, 11. - 13. 11. 2019, Seville, Spain : conference proceedings. -- 1. vyd. -- Valencia : International association of technology, education and development (IATED), 2019