The didactic aspects of blended learning in higher educational institutions during the pandemic / Nadiia Balyk, Galyna Shmyger, Yaroslav Vasylenko, Anna Skaskiv, & Vasyl Oleksiuk // E-learning in the Time of COVID-19 / scientific editor Eugenia Smyrnova-Trybulska. - Katowice ; Cieszyn, 2021. - S. 65-75. Autor (Yaroslav Vasylenko)