Utomo, S. D., E. Suhartono, N. P. M. A. D., B. Minarso, A. Prajanto, and S. Ali. “A Heterogeneous Multi-Task Deep Learning Approach for Geopolitical Risk Prediction and Cross-Country Heterogeneity in ASEAN Equity Markets”. Journal of Computing Theories and Applications, vol. 4, no. 2, Sept. 2026, pp. 536-58, doi:10.62411/jcta.17610.