DONGRE, Nirmal; SHARMA, Pankaj; SHRIVASTAVA, Birendra; DUBEY, P K. UV SPECTROPHOTOMETRIC DETERMINATION OF PIPERINE IN NAVASAYA CHURNA: A POLYHERBAL FORMULATION. Journal of Drug Delivery and Therapeutics, India, v. 7, n. 7, p. 186–188, 2017. DOI: 10.22270/jddt.v7i7.1630. Disponível em: https://www.jddtonline.info/index.php/jddt/article/view/1630. Acesso em: 26 may. 2026.