“Evaluation of Pharmacognostic Characteristics of the Leaf of Ageratum Houstonianum Mill. Compositae”. Nigerian Journal of Pharmaceutical Research 16, no. 2 (Tháng Chạp 28, 2020): 107–115. Truy cập Tháng Sáu 5, 2026. https://ojshostng.com/index.php/njpharmaceuticalsciences/article/view/1542.