The use of social media by Polish and Slovak students and their digital competences. - Klaudia Smolag; Marek Szajt; Zuzana Hajduová (KES, 2023)

Differences in the perception of distance learning by teachers using it during Covid 19 and before - statistical analysis. - Klaudia Smolag; Marek Szajt (KES, 2024)

Digitization in European Union countries. Convergence analysis based on DESI. - Marek Szajt; Klaudia Smolag; Iwona Chomiak-Orsa (KES, 2024)