PUTTA, Sanjay Kumar. #69 UV spectrophotometric determination of piperine content in Zandu haldi drops. Journal of Pharmaceutical Chemistry, [S. l.], v. 8, n. Supplement, 2022. Disponível em: https://pubs.vensel.org/index.php/jphchem/article/view/185. Acesso em: 16 apr. 2025.