MISHRA, Rohan; RAM, Bhagwat. Portfolio selection using R. Yugoslav Journal of Operations Research, [S. l.], v. 30, n. 2, p. 137–146, 2020. DOI: 10.2298/YJOR181115002M. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/615. Acesso em: 26 aug. 2025.