Fardian, F., and B. Rikumahu. “Financial Contagion Analysis on Asset Return of S&P 500 Index, Shanghai Index, and Hang Seng Index With Jakarta Composite Index for the Period 2017 – 2023”. Journal of Digital Business and Marketing, vol. 1, no. 1, Aug. 2025, pp. 33-46, doi:10.35912/jdbm.v1i1.3316.