00497naa#a2200169#i#450# EN\INFRA-M\bibl\4884 20250110195626.5 1998-0744 20150216b2015####ek#y0engy0150####ca RUS RU Implementation Models for Continuous Course in Informatics at School Journal article Moscow INFRA-M Academic Publishing LLC. 2015 11 с. Journal article local Tsvetkova Marina S. naukaru.ru