Kachintararojn, B., Teerawanviwat, D., & Siripanich, P. (2021). Topic Modeling and Text Classification for Xenophobia on Twitter during COVID-19. Thai Journal of Operations Research : TJOR, 9(1), 31–44. retrieved from https://ph02.tci-thaijo.org/index.php/TJOR/article/view/243329