Grey wolf algorithm for cost optimization of cloud computing repairable system with N-policy, discouragement and two-level Bernoulli feedback. - Parmeet Kaur Chahal; Kamlesh Kumar 003; Bhavneet Singh Soodan (Math. Comput. Simul., 2024)

Particle Swarm Optimization for a redundant repairable machining system with working vacations and impatience in a multi-phase random environment. - Amina Angelika Bouchentouf; Kamlesh Kumar 003; Parmeet Kaur Chahal (Swarm Evol. Comput., 2024)

A queueing model with balking, server vacation and working breakdown. - Kamlesh Kumar 003; Madhu Jain (Int. J. Math. Oper. Res., 2025)