S. Surajo, A. Abdussalam, B. Abbas, A. M. Zakariya, A. Yunusa, and D. M. Jesse, “GC–MS Characterization and Antibacterial Activity of Terpene-Rich Extract from Vernonia amygdalina Leaves”, USci, vol. 5, no. 1, pp. 414–422, Mar. 2026, doi: 10.56919/usci.2651.035.