R. Sreedevi, A. S. I. J. Sinthiya, S. C. V. Durai, T. Balu, and P. Murugakoothan, “Structural, Growth and Optical Characterization of Guanidinium Sulphanilate (GSA) Single Crystal”, Phys. Chem. Sol. State, vol. 25, no. 2, pp. 278–283, May 2024.