BOLEK, Vladimír. The Barriers to Acquisition and Development of Hard Skills in Digital Literacy. In ICERI 2023. 16th Annual International Conference of Education, Research and Innovation. ICERI 2023 : Conference Proceedings. - Valencia : IATED, 2023. ISBN 978-84-09-55942-8. ISSN 2340-1095, pp. 4044-4051. VEGA 1/0662/23.