Sulaiman, M. ., A. L. . Abubakar, M. A. . Muhammad, A. M. . Shafi’i, S. R. . Abdullahi, H. M. . Usman, and N. I. D. . Iya. “Antioxidant Activity and Bioactive Compounds of Vernonia Amygdalina L. Leaves in Methanolic and Aqueous Extracts”. International Journal of Science for Global Sustainability, vol. 10, no. 2, July 2024, pp. 128-37, doi:10.57233/ijsgs.v10i2.655.