bin Mustafa, Mohammad Saleh, and Abu Talib bin Othman. 2017. “A Linear Algebraic Approach In Analyzing the M/GE/1 And GE/M/1 Queuing Systems At Equilibrium”. Malaysian Journal of Computer Science 9 (1):6-11. https://jupidi.um.edu.my/index.php/MJCS/article/view/2889.