БӘЙГІСИЕВ, М.; ОҢДАШ­, А. Treasures of the world economic theory. Journal of Economic Research & Business Administration, [S. l.], v. 108, n. 2, 2016. Disponível em: https://be.kaznu.kz/index.php/math/article/view/950. Acesso em: 21 nov. 2024.