Usha, V., and M. Mallika Arjunan. “The Impulsive Neutral Integro-Differential Equations With Infinite Delay and Non-Instantaneous Impulses”. International Journal of Engineering & Technology, vol. 7, no. 4.10, Oct. 2018, pp. 694-7, https://doi.org/10.14419/ijet.v7i4.10.21314.