DEMCENKO, Darja. Word Portfolio Optimization in the Environment of Zero Interest Rate. Ekonomika, [S. l.], v. 100, n. 1, p. 156–174, 2021. DOI: 10.15388/Ekon.2021.1.9. Disponível em: https://www.journals.vu.lt/ekonomika/article/view/22568.. Acesso em: 17 aug. 2024.