Dumaoal, Oliver Shane R., et al. “In Vitro Activity of Pandan (Pandanus Amaryllifolius) Leaves Crude Extract Against Selected Bacterial Isolates”. JPAIR Multidisciplinary Research, vol. 4, no. 1, Jan. 2010, pp. 102-24, https://doi.org/10.7719/jpair.v4i1.103.