TY JOUR TI Gamification as a Tool of Personnel Marketing KW gamification KW personnel marketing KW employee motivation KW leaderboards KW grades KW corporate currency KW motivation KW corporate culture KW personnel management JO Bulletin of Kemerovo State University. Series: Political, Sociological and Economic sciences AU Mazur, D.S. AU Shadrin, V.G. PY 2025 IS 10 PB Kemerovo State University