Ubed N, Marjohan M, Holiawati H. Market Anomaly Analysis: Week Four Effect, Rogalsky Effect and Eid Effect on the IDX 30 Index. IJEMA [Internet]. 2025 Nov. 30 [cited 2026 Feb. 10];3(6):441-7. Available from: https://ij.lafadzpublishing.com/index.php/IJEMA/article/view/336