Fauzan RA, Soekarno S, Rahadi RA. Optimal Cross-Asset-Class Portfolio Construction Using the Markowitz Mean-Variance Framework: Evidence from a U.S. Dollar-Based Foreign Investor Perspective. JDM [Internet]. 2026 Oct. 2 [cited 2026 Oct. 17];4(2):421-32. Available from: https://scieclouds.com/ojsnew/index.php/jm/article/view/1129