00479naa#a2200169#i#450# EN\INFRA-M\bibl\2804 20241028172246.1 2306-1731 20140910b2014####ek#y0engy0150####ca RUS RU Gaming Technology in Math Classes at the Secondary School Journal article Moscow INFRA-M Academic Publishing LLC. 2014 4 с. Journal article local Ippolitova N. zh-szf.ru