Situngkir TL, Nugraha N. Volatility of LQ45 Index Situation Before and After Eid al-Fitr. IJSSB [Internet]. 2021 Aug. 14 [cited 2024 May 9];5(3):379-83. Available from: https://ejournal.undiksha.ac.id/index.php/IJSSB/article/view/34727