TY JOUR TI Professionalization of volunteerism in the field of charitable activities: organizational aspects KW professionalization KW volunteerism KW charitable activities KW the third sector KW social capital KW volunteer management KW non-profit organizations KW institutionalization JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Usmonova, T.D. PY 2026 IS 0 PB ITBO University