00666naa#a2200181#i#450# EN\INFRA-M\bibl\42377 /en/manage/index 20250407061723.1 1998-1740 20210426b2021####ek#y0engy0150####ca RU On the Use of the Likert Scale for Assessing the Didactic Complexity of Educational Concepts Journal article Moscow INFRA-M Academic Publishing LLC. 2021 5 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Mayer R. V. test.editorum.ru /en/manage/index