TY JOUR TI Theoretical aspects of marketing research on business interaction in the context of economic integration KW population KW business entity KW business interaction marketing KW consumer KW manufacturer KW and area of activity JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Kondrat'ev, S.A. AU Chumachenko, G.V. AU Vishnikin, D.V. PY 2025 IS 0 PB ITBO University