S. Abdussalam, Umar, et al. “In Vivo Antiplasmodial Activity of Ethanol Leaf Extract of Marrubium Vulgare L. (Lamiaceae) in Plasmodium Berghei-Berghei Infected Mice: doi.org 10.26538 Tjnpr V2i3.6 ”. Tropical Journal of Natural Product Research (TJNPR), vol. 2, no. 3, Mar. 2018, pp. 132-5, https://tjnpr.org/index.php/home/article/view/532.