Iamtan, Thanapat, and Tanit Malakorn. “Parameter Estimation for the Stochastic Volatility Model Using the EM Algorithm”. Naresuan University Engineering Journal 11, no. 2 (December 27, 2016): 1–7. Accessed February 28, 2024. https://ph01.tci-thaijo.org/index.php/nuej/article/view/53172.