A. A, R., & C. D, L. (2018). Effect of Aqueous Sweet Potato Leaf Extract and Metformin on Some Biochemical Parameters in Streptozotocin- Induced Diabetic Rats. American Scientific Research Journal for Engineering, Technology, and Sciences, 39(1), 82-92. https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/3748