SYSTEM OF RECOMMENDATIONS FOR FORMING THE PORTFOLIO OF SECURITIES ON THE RUSSIAN AND FOREIGN EXCHANGE MARKETS. International Journal of Innovative Technologies in Economy, [S. l.], v. 2, n. 6(18), p. 31–35, 2018. DOI: 10.31435/rsglobal_ijite/01072018/5941. Disponível em: https://rspublisher.org/index.php/ijite/article/view/768. Acesso em: 18 mar. 2026.