PAL, Nidhi. Antibacterial activity of Hibiscus rosa sinensis and Calendula offcinalis flowers extract against various Pathogen. International Journal of Scientific Research in Biological Sciences, [S. l.], v. 2, n. 3, p. 5–8, 2015. Disponível em: http://ijsrbs.isroset.org/index.php/j/article/view/12. Acesso em: 27 aug. 2025.