Lubuma, Jean M.S.Mureithi, EuniceTerefe, Yibeltal2016-07-192016-07-192013-12Lubuma, J.M.S., Mureithi, E.W. and Terefe, Y.A., 2014. Nonstandard Discretizations of the SIS Epidemiological Model with and without Diffusion. Mathematics of Discrete and Continuous Dynamical Systems, AMS Contemporary Mathematics Book Series. Volume in Honour of Ronald E Mickens’ 70th Birthday, American Mathematical Society, 618, pp.113-132.http://hdl.handle.net/20.500.11810/3268Full text can be accessed at https://books.google.co.tz/books?hl=en&lr=&id=XejcAwAAQBAJ&oi=fnd&pg=PA113&dq=Nonstandard+Discretizations+of+the+SIS+Epidemiological+Model+with+and+without+Diffusion&ots=XiptlZ0CvW&sig=h-yW33XtuhTK-WceKRrZna-9I5w&redir_esc=y#v=onepage&q=Nonstandard%20Discretizations%20of%20the%20SIS%20Epidemiological%20Model%20with%20and%20without%20Diffusion&f=falseenBook chapter10.1090/conm/618/12326