1. M. Keeling, The mathematics of diseases, Plus Magazine, 2001, 14.
2. Modeling infectious diseases in humans and animals;Keeling,2011
3. Leptospirosis, an emerging zoonotic disease in Malaysia;Thayaparan;Malays. J. Pathol.,2013
4. J.K. Lim, V.A. Murugaiyah, A.S. Ramli, H.A. Rahman, N.S.F. Mohamed, N.N. Shamsudin, J.C. Tan, A case study: leptospirosis in Malaysia, 2011.
5. A. Bhalraj, A. Azmi, Mathematical modelling of the spread of Leptospirosis, in: AIP Conference Proceedings, vol. 2184, no. 1, AIP Publishing LLC, 2019, p. 060031.