Pratama, Aditya Firza, Erman Arif Sumirat, and Sylviana Maya Damayanti. “Dissecting Market and Business Responses of LQ45 Stocks Amidst Crisis: An Event Study of COVID-19 Policies With A Mixed-Method Approach”. Amkop Management Accounting Review (AMAR) 5, no. 2 (August 25, 2025): 662–681. Accessed March 29, 2026. https://ojs.stieamkop.ac.id/index.php/amar/article/view/2828.