Ziad, I., 		Laxmi, P., 		Bhavani, E., 		Bouchentouf, A., & 		Majid, S.
2023 Feb 12.  A Matrix Geometric Solution of a Multi-Server Queue With Waiting Servers and Customers’ Impatience Under Variant Working Vacation and Vacation Interruption. Yugoslav Journal of Operations Research. [Online] 33:3