@article {1543, title = {END}, journal = {Problems of Education in the 21st Century}, volume = {80}, year = {2022}, month = {February/2022}, pages = {Continuous}, type = {Other}, chapter = {232-234}, abstract = {End page, Vol. 80, No. 1, 2022, PEC}, keywords = {end page}, issn = {1822-7864}, url = {https://oaji.net/articles/2022/457-1645651337.pdf}, author = {Editorial Board} }