“ANALYSIS OF PRE- AND POST-ANNOUNCEMENT DIFFERENCES IN MERGERS AND ACQUISITIONS ON ABNORMAL RETURNS AND TRADING VOLUME ACTIVITY (A Study of Companies Listed on the Indonesia Stock Exchange, 2020-2024)”, ICETEA, vol. 2, pp. 1039–1051, Jul. 2026, Accessed: Oct. 11, 2026. [Online]. Available: https://conference.unita.ac.id/index.php/icetea/article/view/847