Blahušiaková, Miriama, Daša Mokošová, and Erik Šoltés. “Education in Online Environment from Students’ and Teachers’ Perspective”. International Journal of Cognitive Research in Science, Engineering and Education (IJCRSEE) 9, no. 2 (August 31, 2021): 203–226. Accessed October 21, 2021. https://ijcrsee.com/index.php/ijcrsee/article/view/801.