W, M. H., and I. L. K. “Paparan Zat Besi Pada Ekspresi Protein Spesifik Extracellular Polymeric Substance Biofilm Aggregatibacter Actinomycetemcomitans”. Dental Journal, vol. 47, no. 2, June 2014, pp. 103-9, doi:10.20473/j.djmkg.v47.i2.p103-109.