Das, Rajib Lochan, and Khandoker Saif Uddin. “Effective Teaching in Constructivism: A Case of Teaching Discrete Mathematics for Undergraduate Students”. IUBAT Review 5, no. 1 (December 29, 2022): 68–76. Accessed May 7, 2024. https://www.banglajol.info/index.php/IUBATR/article/view/64593.