Alexander, S., et al. “Assessment of Functional Group in Herbal Formulation Thathuviruthi Kuligai through Fourier Transform Infrared Spectroscopy”. International Journal of Recent Advances in Multidisciplinary Topics, vol. 3, no. 5, May 2022, pp. 95-97, https://journals.ijramt.com/index.php/ijramt/article/view/2061.