M. I. A, A. S, S. J, and V. P. M, “A Quantum Chemical and Nonlinear Optical Investigation on L-Tryptophan Hydrochloride Single Crystals for Optoelectronic Device Applications”, Int. Res. J. multidiscip. Technovation, vol. 5, no. 4, pp. 20–26, Jul. 2023.