Dede Resi Aristya, Nina Agustina, Ng, T. H. and Chaerudin Manaf (2024) “Analysis of optimal portfolio formation using the single index model approach on Bisnis-27 index shares on the Indonesia Stock Exchange for the 2018-2022 period”, Issues and Perspectives in Business and Social Sciences, p. Advance online publication. Available at: https://journals.mmupress.com/index.php/ipbss/article/view/656 (Accessed: 18May2024).