00719naa#a2200181#i#450# EN\INFRA-M\bibl\119321 20260818201158.2 2500-3305 20260630b2026####ek#y0engy0150####ca RU Methodological potential for mastering mixed (combined) graphic techniques in the system of additional art education Journal article Moscow INFRA-M Academic Publishing LLC. 2026 8 с. Journal article local рисованию. 372.874 Образование. Воспитание. Обучение. Организация досуга. 37 Leven Oleg Leonidovich Homenko Yana Alekseevna naukaru.ru