Noer Azam Achsani, Linda Karlina Sari, Ade Holis, Bayu Bandono, and Gandhi Cahyo Wicaksono, “Asymmetric Volatility Spillover and Risk Contagion During the COVID-19 Outbreak: Empirical Investigation from the Indonesian and Global Stock Markets”, ASET, vol. 4, no. 2, pp. 262–275, Dec. 2025.