Modified Bessel series solution of the single server queueing model with feedback. - Chandra Shekhar 003; Amit Kumar 014; Shreekant Varshney (Int. J. Comput. Sci. Math., 2019)

Optimal control of a service system with emergency vacation using bat algorithm. - Chandra Shekhar 003; Shreekant Varshney; Amit Kumar 014 (J. Comput. Appl. Math., 2020)

Warm-spare provisioning computing network with switching failure, common cause failure, vacation interruption, and synchronized reneging. - Chandra Shekhar 003; Neeraj Kumar; Amit Gupta; Amit Kumar 014; Shreekant Varshney (Reliab. Eng. Syst. Saf., 2020)

Load sharing redundant repairable systems with switching and reboot delay. - Chandra Shekhar 003; Amit Kumar 014; Shreekant Varshney (Reliab. Eng. Syst. Saf., 2020)