SURESHKUMAR*, S., et al. “Antimicrobiological Studies on Different Essential Oils of Wedelia Species (W. Chinensis, W. Trilobata and W. Biflora) and Eclipta Alba (Asteraceae)”. Asian Journal of Chemistry, vol. 19, no. 6, Mar. 2010, pp. 4674-8, https://asianpubs.org/index.php/ajchem/article/view/19984.