00663naa#a2200181#i#450# EN\INFRA-M\bibl\126384 20260714005936.2 2306-1731 20260623b2026####ek#y0engy0150####ca RU Development and Testing of an Index Model for Assessing the Personnel Condition of Schools Journal article Moscow INFRA-M Academic Publishing LLC. 2026 7 с. Journal article local Общеобразовательная школа. Дошкольные учреждения. 373 Petryaeva Elena Yur'evna Ermolaeva Maria Viktorovna naukaru.ru