Suparat Khamdang และผู้แต่งคนอื่นๆ. (2010) Antimicrobial Activity of Piper betle Ethanolic Leaf Extract on Enterococcus faecalis Biofilm. <i>Isan Journal ofPharmaceutical Sciences</i>, <i>6</i>(2), 84-91.Suparat Khamdang และผู้แต่งคนอื่นๆ. "Antimicrobial Activity of Piper betle Ethanolic Leaf Extract on Enterococcus faecalis Biofilm". Isan Journal ofPharmaceutical Sciences 6 (2010):84-91.Suparat Khamdang และผู้แต่งคนอื่นๆ. Antimicrobial Activity of Piper betle Ethanolic Leaf Extract on Enterococcus faecalis Biofilm. Faculty of Pharmaceutical Sciences KKU MSU UBU:ม.ป.ท. 2010.