P. Agarwal, Suraj, Harrina J. Gonsalves, and Roop K. Khar. “HPTLC Method for the Analysis of Melatonin in Bulk and Pharmaceutical Formulations”. Asian Journal of Chemistry 20, no. 4 (March 30, 2010): 2531–2538. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/12648.