A parameter-uniform collocation scheme for singularly perturbed delay problems with integral boundary condition. - Devendra Kumar; Parvin Kumari (J. Appl. Math. Comput., 2020)

An effective numerical approach for two parameter time-delayed singularly perturbed problems. - Satpal Singh; Parvin Kumari; Devendra Kumar (Comput. Appl. Math., 2022)

An effective numerical approach for solving a system of singularly perturbed differential-difference equations in biology and physiology. - Parvin Kumari; Satpal Singh; Devendra Kumar (Math. Comput. Simul., 2025)