Riswanda, Cecep, and Brady Rikumahu. “Analysis of Regional Stock Market Impact on Jakarta Composite Index Using Markov”. Jurnal Bisnis dan Pemasaran Digital 4, no. 2 (January 10, 2025): 99–110. Accessed July 19, 2025. https://penerbitgoodwood.com/index.php/JBPD/article/view/4529.