Mohammed, M., I. M. Bugaje, and M. A. Garba. “Three Iridoid Glycosides from the Root Extract of Stachytarpheta Angustifolia Mill Vahl Verbenaceae”. IJRDO - Journal of Mechanical And Civil Engineering 1, no. 3 (March 31, 2015). Accessed April 20, 2025. http://cpanel.ijrdo.org/index.php/mce/article/view/550.