@article{{MRA}{}, author = {Varik-Maasik, E., Seema, R.}, title = { Perceived learning difficulties, school burnout and digital addiction of students in grades 6 to 12}, journal = {Medical Research Archives}, volume = {13}, number = {3}, year = {2025}, doi = {10.18103/mra.v13i3.6436}, url = {https://esmed.org/MRA/mra/article/view/6436} }