Li, W.-Q., M.-P. Quan, and Q. Li. “Chemical Composition and Antibacterial Activity of the Essential Oil from Qiancao (<i>Rubia Cordifolia </I>Linn.) Roots Against Selected Foodborne Pathogens”. Asian Journal of Agriculture and Food Sciences, vol. 7, no. 4, Aug. 2019, doi:10.24203/ajafs.v7i4.5876.