ROYCHOUDHURY, Saurav. Creating Optimal Portfolio and the Efficient Frontier Using Microsoft Excel®. Journal of Quantitative Methods, [S. l.], v. 2, n. 2, p. 104–136, 2019. DOI: 10.29145/2018/jqm/020207. Disponível em: https://ojs.umt.edu.pk/index.php/jqm/article/view/31. Acesso em: 24 jun. 2026.