Ahmed, F. I., Alemu, S. D. and Tilahu, G. T. (2022) “A Single Server Markovian Queue with Single Working Vacation, State Dependent Reneging and Retention of Reneged Customers”, Ethiopian Journal of Education and Sciences, 17(1), pp. 51-69. Available at: https://ejhs.ju.edu.et/index.php/ejes/article/view/3976 (Accessed: 20April2024).