00509naa#a2200181#i#450# EN\INFRA-M\bibl\5049 20241119175646.2 1998-1740 20150116b2015####ek#y0engy0150####ca RUS RU Current Standards of Math Teachers’ ICT-Competencies Journal article Moscow INFRA-M Academic Publishing LLC. 2015 5 с. Journal article local Fedorova Yuliya Nevskaya O. naukaru.ru