Khan, I.E. and Paramasivam, R. 2023. Markovian Erlang Non-Constricted Single-Channel with Encouraged Arrival in Steady State with Balking, Feedback Strategy, and Customer Retention. Contemporary Mathematics. 4, 4 (Oct. 2023), 769–781. DOI:https://doi.org/10.37256/cm.4420232964.