Hazam Samir1, and Singh, M. M. P. “The Application Of Z-Transformation On Gambler’s Ruin In Probability Theory And Other Result”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE, vol. 3, no. 7, Aug. 2017, pp. 26-29, doi:10.7324/ IJASRE.2017.32483.