ISOLATION AND CHARACTERIZATION OF PHYTOCHEMICALS FROM STEM BARK OF CASSIA FISTULA LINN. International Research Journal of Pharmacy, [S. l.], v. 10, n. 4, p. 209–212, 2019. Disponível em: https://irjponline.org/index.php/irjp/article/view/353. Acesso em: 28 jul. 2026.