00588naa#a2200169#i#450# EN\\bibl\97013 20250426133311.6 2221-3260 20250228b2025####ek#y0engy0150####ca RU Features of the implementation of the system-activity approach in the study of economic disciplines in a foreign language Journal article Yaroslavl Yaroslavl State Technical University 2025 12 с. Journal article local Kovalchuk Marina Aleksandrovna Gubina Galina Gennadyevna chemintech.ru