00551naa#a2200169#i#450# EN\INFRA-M\bibl\6922 20240428220207.7 1998-1740 20150817b2015####ek#y0engy0150####ca RUS RU On the Need to Prepare Teachers for Developing, Quality Assessing and System Activity Based Using Electronic Educational Resources Journal article Moscow INFRA-M Academic Publishing LLC. 2015 6 с. Journal article local Suvorova T. naukaru.ru