%0 Journal Article %T KEY ELEMENTS OF BUSINESS MODELS OF THE LARGEST OIL AND GAS COMPANIES IN RUSSIA %A Umaev, M.O. %A Dadaev, R.M. %K oil and gas industry, oil and gas companies, business model, ESG, Gazprom Neft, Lukoil, Rosneft, Surgutneftegaz, Tatneft, NOVATEK %J Russian Journal of Management %D 2025 %N 13 %P 10 %I Publishing Center RIOR