R. Kaliammala, V. Muthulakshmi, R. Archana, J. Sahaya Melba, R. Mohan kumar, and S. Sudhahara. “CRYSTAL GROWTH AND CHARACTERIZATION OF 2- AMINOPYRIDINIUM SALICYLATE ORGANIC NONLINEAR OPTICAL SINGLE CRYSTAL”. International Journal of Advance Engineering and Research Development (IJAERD), vol. 5, no. 19, Aug. 2022, p. -, https://ijaerd.org/index.php/IJAERD/article/view/6474.