« Evaluation of Pharmacognostic Characteristics of the Leaf of Ageratum Houstonianum Mill. Compositae ». Nigerian Journal of Pharmaceutical Research 16, no. 2 (décembre 28, 2020): 107–115. Consulté le mai 21, 2026. https://www.ojshostng.com/index.php/njpharmaceuticalsciences/article/view/1542.