Mehedi Hasan Ifti, Paolo Saona, Muhammad Tofazzel Hossain, Shahnur Azad Chowdhury, and Md. Abul Kalam Azad. 2022. “Student Engagement in Online Classes During COVID-19: A Sentiment Analysis”. Bangladesh Journal of Integrated Thoughts 17 (2). Dhaka, Bangladesh. https://doi.org/10.52805/bjit.v17i2.244.