ANATOLYEVNA, BURDINA ANNA; TIMOFEEVNA, MANAENKOVA ELENA; VALELEVNA, MOSKVICHYOVA NATALYA. 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://www.cibgp.com/index.php/1323-6903/article/view/1072. Acesso em: 10 oct. 2025.