1. R. M. Anderson and R. M. May , Infectious Diseases of Humans: Dynamics and Control , Oxford University Press , 1991
2. S. Arif , PhD Thesis , Department of Computer Science, Old Dominion University , 2012 , http://www.cs.odu.edu/~sarif/
3. N. T. J. Bailey , The Elements of Stochastic Processes with Applications to the Natural Sciences , John Wiley , New York , 1964
4. A New Product Growth for Model Consumer Durables
5. A New Product Growth for Model Consumer Durables