Nayeem, Jannatun, Kazi Aminur Rahman, and Md Abu Salek. “A Mathematical Model to Demonstrate the Spread of an Epidemic”. GANIT: Journal of Bangladesh Mathematical Society 29 (August 31, 2011): 127–138. Accessed December 22, 2024. https://banglajol.info/index.php/GANIT/article/view/8522.