A single server Markovian differentiated working vacation queue with server breakdown. - V. Karthick; V. Suvitha; Rathinasabapathy Kalyanaraman (Int. J. Math. Oper. Res., 2024)

A queueing system with heterogeneous arrivals, two kinds of vacations and impatient customers. - R. S. Yohapriyadharsini; V. Suvitha; Rakesh Kumar (Int. J. Math. Oper. Res., 2025)