DAULETBAKOV, B.; Zhanasilova A. Т. The use of relevant approach is in model economic situations. Journal of Economic Research & Business Administration, [S. l.], v. 100, n. 6, p. 95–101, 2015. Disponível em: https://be.kaznu.kz/index.php/math/article/view/542. Acesso em: 24 nov. 2024.