“ANTIMICROBIAL EFFECTS OF PSIDIUM GUAJAVA, SYZYGIUM CUMINI, FERULA ASAFOETIDA AND PIPER BETLE EXTRACTS AGAINST DENTAL CARIES BACTERIA”. International Research Journal of Pharmacy, vol. 9, no. 6, June 2018, pp. 224-8, https://irjponline.org/index.php/irjp/article/view/1281.