Ponziani RM. The Modeling the returns volatility of Indonesian stock indices: The case of SRI-KEHATI and LQ45. JEM [nternet]. 2022 Mar. 31 [cited 2024 Jul. 22];18(1):13-21. vailable from: http://ejournal.unikama.ac.id/index.php/JEKO/article/view/6411