الغفور جاسم سالم ع. 2005. Application of a Markov chain Model on the popular transformation between the cities of (Nineva, Saladean, Tameem) for the period 1977-1997. IRAQI JOURNAL OF STATISTICAL SCIENCES. 5, 1 (Dec. 2005), 80–95. DOI:https://doi.org/10.33899/stats.2005.032821.