00502naa#a2200169#i#450# EN\NORMA\bibl\11228 20240912120825.4 1605-6590 20160411b2016####ek#y0engy0150####ca RUS RU Certification as a Way to Assess Teachers’ Qualification: Legal Regulation Issues Journal article Moscow Legal publishing house Norm 2016 0 с. Journal article local Egoshina Lyubov naukaru.ru