Dumdoung, Samitanan, Witsaroot Pariyaprasert, and Nawaporn Vimolphattanatham. 2021. “The Impact of Political Events and Covid-19 Pandemic on Return Volatilities of 3 Sectors in the Stock Exchange of Thailand During 2019 to 2021”. AU Hybrid International Conference 2024 on " Entrepreneurship & Sustainability in the Digital Era" Under the Theme of "People Centric Knowledge in Intelligence World" 2 (1):241-47. http://www.assumptionjournal.au.edu/index.php/icesde/article/view/5741.