TY JOUR TI ASSESSMENT OF THE READINESS OF COMPANIES IN THE RUSSIAN OIL AND GAS SECTOR FOR DIGITAL BUSINESS TRANSFORMATION KW business processes KW digitalization index KW resource-oriented approach KW big data KW digital transformation of the fuel and energy sector KW organizational and technological readiness JO MOSCOW ECONOMIC JOURNAL AU Karp, S.V. PY 2024 IS 9 PB Electronic science