Fauzan, R. A., S. . Soekarno, and R. A. . Rahadi. “Optimal Cross-Asset-Class Portfolio Construction Using the Markowitz Mean-Variance Framework: Evidence from a U.S. Dollar-Based Foreign Investor Perspective”. Journal Development Manecos, vol. 4, no. 2, Oct. 2026, pp. 421-32, doi:10.71435/742327.