Kazmina, I.V., Chernysheva, G.N., Belgorodsky, A.V. and Lopatin, V.L. 2023. Asset portfolio balance management oil and gas companies. Modern Economics: Problems and Solutions. 12, (Dec. 2023), 121-130. DOI:https://doi.org/10.17308/meps/2078-9017/2023/0/121-130.