Qulub, M. S., and R. A. Setiawati. “Policy Uncertainty and Asymmetric Volatility in Indonesia’s Financial Sector: EGARCH Evidence”. Journal of Economics, Entrepreneurship, Management Business and Accounting, vol. 4, no. 5, Aug. 2026, pp. 468-86, doi:10.61255/jeemba.v4i5.1344.