00651naa#a2200181#i#450# EN\\bibl\131212 20260818173451.2 2686-7788 20260717b2026####ek#y0engy0150####ca RU TRANSFORMATION OF VALUE ORIENTATIONS OF STUDENT YOUTH IN VOLUNTEER ACTIVITIES Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2026 3 с. Journal article local Социология. 316 Sorokina Anna Ivanovna Nikiforova Sofia Romanovna angtu.editorum.ru