Ambarwati, Sri, Eka Sudarmaji, Herlan Masrio, and Ismiriati Nasip. “Modeling and Estimation of Cumulative Abnormal Return Using VECM”. Financial Risk and Management Reviews 7, no. 1 (September 21, 2021): 36–49. Accessed July 22, 2024. https://archive.conscientiabeam.com/index.php/89/article/view/1744.