00570naa#a2200193#i#450# EN\INFRA-M\bibl\2128 /en/manage/index 20250404220343.5 1998-0744 20140417b2014####ek#y0engy0150####ca RUS RU Methodology of Training for Academic Olympics at School Journal article Moscow INFRA-M Academic Publishing LLC. 2014 11 с. Journal article local Tsvetkova Marina S. Kiryukhin V. M. test.editorum.ru /en/manage/index