00557naa#a2200169#i#450# EN\\bibl\90620 /en/manage/index 20251218225847.4 2542-1840 20241114b2024####ek#y0engy0150####ca RU Mathematical Research Task in Pairs as a Means of Assessing Meta-Subject Skills in Schoolchildren Journal article Kemerovo Kemerovo State University 2024 13 с. Journal article local Pozdnyakova Elena Valer'evna test.editorum.ru /en/manage/index