LDR 00522naa#a2200169#i#450#
001     EN\\bibl\99194
005     20250714234750.1
011 ## _a2542-1840
100 ## _a20250527b2025####ek#y0engy0150####ca
102 ## _aRU
200 1# _aDesign and Research Activities in Mathematics Education
       _eJournal article
210 1# _aKemerovo
       _cKemerovo State University
       _d2025
215 ## _a9 с.
608 ## _aJournal article
       _2local
700 #1 _aEvstifeeva
       _gTat'yana Valentinovna
700 #1 _aStacenko
       _gAnastasiya Igorevna
856 4# _avestnik-pses.kemsu.ru
       _u