TY CONF TI CONCEPT OF INTERNAL MARKETING AND LOYALTY OF HUMAN RESOURCE MANAGEMENT KW Keywords: internal marketing KW loyalty of personnel KW management KW human resource management KW competitiveness. JO Topical issues of ensuring economic security in the Russian Federation in the digital economy AU Mamulyan, K.A. AU Shatohina, Y.I. PY 2024 PB AUS PUBLISHERS