Liu Y-S, Lee L. Are Modifications in the ETF’s Investment Performance and Risks during the COVID-19 Pandemic Event?. REASER [Internet]. 2022Jun.27 [cited 2026Oct.30];23(1):5-17. Available from: https://www.reaser.eu/ojs/ojs-3.1.2-1/index.php/REASER/article/view/202