KPANZOU, Tchilabalo Abozou, Edoh KATCHEKPELE, and Essomanda TCHANDAO. “A Mathematical Reason to Wear a Face Mask During a COVID-19 Like Pandemic”. Malaya Journal of Matematik 11, no. 03 (July 1, 2023): 286–293. Accessed November 21, 2024. https://www.malayajournal.org/index.php/mjm/article/view/299.