NAZAROVA, V. L.; KOGUT, O. U. Assessment of the relationship of costs, sales and profits in the refinery production on the example of LLP «Atyrau Refinery». Journal of Economic Research & Business Administration, [S. l.], v. 112, n. 6, 2016. Disponível em: https://be.kaznu.kz/index.php/math/article/view/1087. Acesso em: 23 nov. 2024.