Putri, R. T., & Sulistiowati, D. (2026). Measuring Stock Investment Risk Using Expected Shortfall tith the Gramcharlier Expansion at PT. Energi Mega Persada Tbk. Journal Research of Social Science, Economics, and Management, 5(12), 13380–13392. https://doi.org/10.59141/jrssem.v5i12.1615