Dongre, Nirmal, Pankaj Sharma, Birendra Shrivastava, and P K Dubey. “UV SPECTROPHOTOMETRIC DETERMINATION OF PIPERINE IN NAVASAYA CHURNA: A POLYHERBAL FORMULATION”. Journal of Drug Delivery and Therapeutics 7, no. 7 (December 22, 2017): 186–188. Accessed May 26, 2026. https://www.jddtonline.info/index.php/jddt/article/view/1630.