ICERI 2021. International Conference of Education, Research and Innovation. ICERI 2021 Proceedings : 14th International Conference of Education, Research and Innovation November 8th-9th, 2021. Edited by: L. Gómez Chova, A. López Martínez, I. Candel Torres. 1st Edition. Valencia : IATED, 2021. [10 082 s.]. Dostupné na : <https://library.iated.org/publications/ICERI2021> ISBN 978-84-09-34549-6. ISSN 2340-1095.