%0 Journal Article %T The specifics of marketing activities and services in a private security company %A Kryuchkov, S.A. %A Vil'danova, L.V. %K service marketing, private security company, specifics, security market, trust, reputation, security services, digitalization %J JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT %D 2026 %N 0 %P 4 %I ITBO University