S A, Shanmugasundari M. Comparison of Infinite Capacity FM/FEk/1 Queuing Performance Using Fuzzy Queuing Model and Intuitionistic Fuzzy Queuing Model with Erlang Service Rates. Pak.j.stat.oper.res. 2023;19(1):187-202. doi:10.18187/pjsor.v19i1.4055