SHOLOPAK, V.; TRETIAK, D. Mean-Variance Optimization: Modeling an Optimal Investment Portfolio in the U.S. Tech Sector. Science and Innovation, Ukraine, v. 21, n. 2, p. 101–114, 2025. DOI: 10.15407/scine21.02.101. Disponível em: https://scinn-eng.org.ua/ojs/index.php/ni/article/view/773. Acesso em: 3 oct. 2025.