Taye, K., K. Fikadu, F. Mammo, and M. Endale. “Phytochemical Screening and Characterization of Olean-18-Ene Type Triterpeniod from the Roots of Lantana Camara”. Journal of Science, Technology and Arts Research, vol. 4, no. 1, Mar. 2015, pp. 91-94, https://journals.wgu.edu.et/index.php/star/article/view/164.