V.N. MEENA DEVI, P. NAGENDRA PRASAD, and K. KALIRAJAN. “Infrared Spectral Studies On Siddha Drug - Pavalaparpam”. International Journal of Pharma and Bio Sciences 1, no. 4 (December 31, 2010): 474–483. Accessed July 23, 2026. https://ijpbs.net/index.php/journal/article/view/445.