Subramaniam, S. K., Siswomihardjo, W., & Sunarintyas, S. (2005). The effect of different concentrations of Neem (Azadiractha indica) leaves extract on the inhibition of Streptococcus mutans (In vitro). Dental Journal, 38(4), 176–179. https://doi.org/10.20473/j.djmkg.v38.i4.p176-179