ICERI ICERI 2020 : 13th International conference of education, research and innovation. Conference proceedings 9-10. November 2020 (online) / zost. L Gómez Chova, A. López Martínez, I Candel Torres. -- 1. vyd. -- Seville : IATED Academy, 2020. -- USB. -- ISBN : 978-84-09-24232-0. -- ISSN : 2340-1095. Gómez Chova, L.. Martínez, A. López. Candel Torres, I