00625naa#a2200181#i#450# EN\\bibl\122646 20260509232656.6 2712-7516 20260508b2026####ek#y0engy0150####ca RU Formation of soft skills among students of secondary vocational education through project activities in the field of mathematical education Journal article Moscow ITBO University 2026 0 с. Journal article local математики. 372.851 Haliullina Regina El'darovna Sinko Anastasia Konstantinovna zhpi.ru