Malakorn, Tanit, and Thanapat Iamtan. “Estimating parameters of a stochastic volatility model using the expectation-maximization algorithm coupled with a Gaussian particle filter”. Asia-Pacific Journal of Science and Technology 23, no. 4 (August 31, 2018): APST–23. accessed January 6, 2026. https://so01.tci-thaijo.org/index.php/APST/article/view/92442.