Rahma, Elnisa Fifka Pramesti, and Atika Nurani Ambarwati. “Pemodelan Return Saham Perbankan Menggunakan Generalized Autoregressive Conditional Heteroscedasticity”. Prosiding University Research Colloquium, Feb. 2018, pp. 93-102, https://repository.urecol.org/index.php/proceeding/article/view/160.