00460naa#a2200157#i#450# EN\\bibl\51093 20240728141753.7 2542-1840 20220621b2022####ek#y0engy0150####ca RU Distance Education vs. Face-to-Face Education Journal article Kemerovo Kemerovo State University 2022 6 с. Journal article local Ershteyn Leonid Borisovich vestnik-pses.kemsu.ru