Talukdar, M. R. I., C. Z. Lamagna, F. Hassan, and R. Nahar. “On-Campus, Virtual, Blended, and Triple Systems of Teaching-Learning: Fitness and Relevance for Private Universities in Bangladesh”. Journal of Higher Education Theory and Practice, vol. 22, no. 16, Nov. 2022, doi:10.33423/jhetp.v22i16.5609.