Zain DN. CHALCONE CONTENT IN THE ETHANOL EXTRACT OF Angelica keiskei LEAVES BY SPECTROPHOTOMETRIC METHOD. J. of Pharm. [Internet]. 2020 Jan. 2 [cited 2024 Dec. 19];2(3). Available from: https://ejurnal.universitas-bth.ac.id/index.php/P3M_JoP/article/view/534