G. AYYAPPAN; J. UDAYAGEETHA. Analysis of Preemptive Priority Retrial Queueing System with Starting Failure, Modified Bernoulli Vacation with Vacation Interruption, Repair, Immediate Feedback and Impatient Customers. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 1 - E, p. 1013–1023, 2018. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/1175. Acesso em: 18 may. 2024.