TY JOUR TI CUSTOMER-ORIENTATION AND CUSTOMER-CENTRICITY: A CRITICAL ANALYSIS OF CONCEPTS FOR THE FORMATION AND ASSESSMENT OF CUSTOMER VALUE IN MODERN SERVICE BUSINESS KW customer-oriented KW customer-centric KW customer orientation KW customer-oriented strategy KW customer-centric strategy JO Trade, service, food industry AU Kadulich, V.R. AU Esina, O.N. AU Ilina, A.S. PY 2026 IS PB Siberian Federal University