M. Nila, Dr. D. Sumitha. Analysis of Repairable Batch Arrival Retrial Queueing System with Second Multi Optional Service, Orbital Search, Priority and Feedback Customers. IJAST [Internet]. 2020May14 [cited 2026Sep.1];29(9s):2873 -2882. Available from: http://sersc.org/journals/index.php/IJAST/article/view/15510