DEVELOPMENT AND VALIDATION OF FLAME ATOMIC ABSORPTION SPECTROMETRY (FAAS) FOR THE DETERMINATION OF POTASSIUM IN STACHYS AFFINIS ROOTS. Tạp chí Dược liệu, [S. l.], v. 27, n. 2, p. pp. 107 – 111, 2026. DOI: 10.63240/jmm-nimm.2022.2.406. Disponível em: https://tapchiduoclieu.vn/index.php/jomm/article/view/406. Acesso em: 10 aug. 2026.