Momoh, A. A, Ugorji, I. S., Washachi, D. J., and Mijinyawa, M. “Mathematical Model for the Transmission Dynamics of Lassa Fever Disease With Contact Tracing and Effective Quarantine”. International Journal of Science for Global Sustainability, vol. 6, no. 1, Mar. 2020, p. 16, https://fugus-ijsgs.com.ng/index.php/ijsgs/article/view/137.