TY JOUR TI METHODOLOGICAL APPROACHES TO THE SEARCH OF SOLUTIONS TO JUSTIFY THE BALANCE OF THE ECONOMIC INTERESTS OF THE SYSTEMIC ORGANIZATIONS OF THE GRAIN PRODUCT CHAIN KW grain product chain KW income equivalence KW backbone organizations KW balance of economic interests JO Russian Journal of Management AU Golovina, L.A. AU Logacheva, O.V. PY 2023 IS 11 PB Publishing Center RIOR