Analysis of M/M/1/N Queueing System with Encouraged Arrivals, Feedback, Catastrophe and Retention of Reneged Customers Roman. jar [انترنت]. 30 يوليو، 2022 [وثق 15 أغسطس، 2026];22:1-12. موجود في: https://lam-journal.ly/index.php/jar/article/view/458