00537naa#a2200169#i#450# EN\INFRA-M\bibl\58 20241212221504.4 2305-7807 20121218b2012####ek#y0engy0150####ca RUS RU PROBLEMS OF ASSESSMENT AND CERTIFICATION OF QUALIFICATION OF MUNICIPAL EDUCATIONAL INSTITUTIONS HEADS Journal article Moscow INFRA-M Academic Publishing LLC. 2012 0 с. Journal article local Shklyaeva Nadezhda Anatol'evna zh-szf.ru