Rann Rizky Ananda, Jubaedah Nawir, and Hidayati Siti. “Analysis Abnormal Return Eid Al-Fitr on Food and Beverages Company Listed In Indonesia Stock Exchange Year 2013 – 2017”. Journal of Economics, Business, and Government Challenges 2, no. 01 (April 30, 2019): 79–85. Accessed December 21, 2024. https://ebgc.upnjatim.ac.id/index.php/ebgc/article/view/305.