Kamrujjaman, M., Islam, M.S. and Islam, M.S. 2022. Lyapunov Mappings and Analysis of a Nonlinear Spatio-temporal Epidemic Model. Dhaka University Journal of Science. 69, 3 (Jul. 2022), 161–170. DOI:https://doi.org/10.3329/dujs.v69i3.60026.