K, Gabrielle Michaela, Muhammad Nabil Fatwa, Maftuhin Agung P, and Maria Yovita R. Pandin. “Optimalisasi Manajemen Portofolio Dalam Menghadapi Ketidakpastian Ekonomi: Pendekatan Empiris”. Business and Investment Review 2, no. 6 (December 24, 2024). Accessed November 1, 2025. https://lgdpublishing.org/index.php/birev/article/view/145.