Puspendra Kumar, Shivesh Jha, Durgawati Patel, and Sanjar Alam. “Validated HPTLC Method for Standardization of an Ayurvedic Powdered Formulation-Panchsakar Churna”. International Journal of Phytomedicine, vol. 6, no. 3, Sept. 2014, pp. 417-20, https://ijp.arjournals.org/index.php/ijp/article/view/354.