Pal N. Antibacterial activity of Hibiscus rosa sinensis and Calendula offcinalis flowers extract against various Pathogen. Int. J. Sci. Res. Biol. Sci. [Internet]. 2015 Jun. 30 [cited 2025 Aug. 27];2(3):5-8. Available from: http://ijsrbs.isroset.org/index.php/j/article/view/12