DINDA ALIA RAHMA DWI KURNIA; EKA YULIANTI. Abnormal Return and Trading Volume Activity Analysis of The National Demonstration Event Using the Mean Adjusted Model (a Study Of Lq-45 Index Stocks). Al-Kharaj: Journal of Islamic Economic and Business, [S. l.], v. 8, n. 4, 2026. Disponível em: https://ejournal.iainpalopo.ac.id/index.php/alkharaj/article/view/12366. Acesso em: 14 oct. 2026.