Tomaszek, Katarzyna, and Agnieszka Muchacka-Cymerman. “Students’ Burnout in the E-School Environment: Pilot Study Results of the Validation of the E-Learning Burnout Scale”. International Journal of Research in E-Learning, vol. 8, no. 2, Dec. 2022, pp. 1-28, doi:10.31261/IJREL.2022.8.2.09.