Nebras N. Al- Dabbagh, et al. “COMPARISON OF ANTIMICROBIAL ACTIVITY OF FOUR HERBAL EXTRACTS AGAINST STREPTOCOCCUS MUTANS, ISOLATED FROM DENTAL DISEASES IN VITRO ”. Pakistan Journal of Biotechnology, vol. 14, no. 4, Dec. 2017, pp. 823-8, https://pjbt.org/index.php/pjbt/article/view/511.