Ashoura, W. A. S. and Ghafil, M. T. (2019) “Using Markov Chains to Predict the Probability of Change in Cumulative Rates for Students of the College of Administration and Economics / University of Basrah”, Journal of Al-Qadisiyah for Computer Science and Mathematics, 11(4), pp. Stat Page 30 – 38. doi: 10.29304/jqcm.2019.11.4.645.