A. Kumar, B. U. A. K. D. K. S. “Phytochemical Analysis and Influence of Edaphic Factors on Lawsone Content of Lawsonia Inermis L”. Journal of Phytology, vol. 2, no. 6, Oct. 2010, https://updatepublishing.com/journal/index.php/jp/article/view/2134.