Lengyel, Peter, István Füzesi, János Pancsira, and Gergely Ráthonyi. “The Effectiveness Of The E-Learning Application: Impact Assessment Of The Quality”. KnE Social Sciences 1, no. 2 (March 19, 2017): 133-141. Accessed April 19, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/652.