Kordnoori, S., H. Mostafaei, S. Kordnoori, and M. Ostadrahimi. “Testing the Semi Markov Model Using Monte Carlo Simulation Method for Predicting the Network Traffic ”. Pakistan Journal of Statistics and Operation Research, Vol. 16, no. 4, Dec. 2020, pp. 713-20, doi:10.18187/pjsor.v16i4.3394.