A. R. Atikah, H. S. Budi, and T. Kusumaningsih, “Antibacterial effects of 70% ethanol and water extract of cacao beans (Theobroma cacao L.) on Aggregatibacter actinomycetemcomitans”, Dent. J., vol. 49, no. 2, pp. 104–109, Jun. 2016.