Damtie, D., Y. Mekonnen, and A. Eyado. “Acute Oral Toxicity Study of Thymus Serrulatus and Thymus Schimperi from Ethiopia”. Ethiopian Journal of Science and Technology, Vol. 10, no. 3, Apr. 2025, pp. 181-92, http://journals.bdu.edu.et/index.php/EJST/article/view/2586.