Singh, A. K., Guragain, R. P., Nakarmi, J. J., Jha, L. N. and Baniya, H. B. (2023) “Study of Time Correlation and Memory Function for the Derivation of Spectral Density in Plasma”, Amrit Research Journal, 4(1), pp. 52–60. doi: 10.3126/arj.v4i1.61285.