Khatun*, M. M., M. S. Siddik, M. A. Rahman, and S. Khaled. “Content Analysis of Covid-19 and Agriculture News in Bangladesh Using Topic Modeling Algorithm”. CURRENT APPLIED SCIENCE AND TECHNOLOGY, vol. 21, no. 2, Nov. 2020, pp. 299-17, https://li01.tci-thaijo.org/index.php/cast/article/view/247839.