PARAMIDA, N.; MUKTI, C. F. C.; MAHARANI, D. A.; PANDIN, M. Y. R. Influence of Markowitz Method Risk and Return Calculations as a Basis for Investment Decisions in BEI BUMN Shares 20 Period 2019-2022. Journal of Business Management and Economic Development, [S. l.], v. 2, n. 01, p. 272–286, 2023. DOI: 10.59653/jbmed.v2i01.441. Disponível em: https://risetpress.com/index.php/jbmed/article/view/441. Acesso em: 26 jul. 2025.