Fardian F, Rikumahu B. 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 [Internet]. 2025 Aug. 13 [cited 2025 Oct. 10];1(1):33-46. Available from: https://goodwoodpub.com/index.php/jdbm/article/view/3316