MANURUNG, A. H.; MACHDAR, N. M.; SIJABAT, J.; MANURUNG, A. The Construction of a Portfolio Using Varying Methods and the Effects of Variables on Portfolio Return. International Journal of Economics and Financial Issues, [S. l.], v. 14, n. 1, p. 233–241, 2024. DOI: 10.32479/ijefi.15314. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/15314. Acesso em: 11 may. 2024.