Achieving optimal resources utilisation in industrial environments: combining polling methods and an exhaustive service discipline with an unreliable service. - G. Ayyappan; S. Sankeetha (Int. J. Math. Oper. Res., 2024)

Integrated management and optimisation of vaccination and treatment processes in a batching system with observation and limited space. - G. Ayyappan; S. Sankeetha (Int. J. Math. Oper. Res., 2025)