00559naa#a2200169#i#450# EN\INFRA-M\bibl\86680 20260617210228.3 2500-3305 20240824b2024####ek#y0engy0150####ca RU Theoretical substantiation of the principle of visibility and features of the use of visual aids in history lessons Journal article Moscow INFRA-M Academic Publishing LLC. 2024 12 с. Journal article local истории. 372.893 Bulanova A. S. zh-szf.ru