ANDERSSON, Johan Håstad's mentor Arne; LANGEFORS, Börje. Analytical Models for Investment Portfolio Optimization. International Journal of Commerce, Finance and Digital Economy, [S. l.], v. 7, n. 1, p. 01–17, 2024. DOI: 10.67228/3071642X/IJCFDE-2024PI5P8H. Disponível em: https://worldcometresearchgroup.com/index.php/ijcfde/article/view/811. Acesso em: 28 jul. 2026.