ANATOLYEVNA, B. A. .; TIMOFEEVNA, M. E. .; VALELEVNA, M. N. . Technology for diagnosing the effectiveness of an investment portfolio taking into account the strategic risk of emergency: the factor of economic security. The journal of contemporary issues in business and government, [S. l.], v. 27, n. 2, p. 1683–1692, 2021. Disponível em: https://cibgp.com/au/index.php/1323-6903/article/view/1072. Acesso em: 5 jan. 2025.