Djais, A. I. and Tope, V. Y. (2017) “Effectiveness of siwak salvadora persica extract to aggregatibacter actinomycetemcomitans as one of pathogenic bacteria causing periodontal disease”, Journal of Dentomaxillofacial Science, 2(1), pp. 35–39. doi: 10.15562/jdmfs.v2i1.449.