“Antimicrobial Activity of Aqueous Methanolic Extract of Lichen (Usnea Barbata) Against Escherichia Coli and Staphylococcus Aureus”. Libyan Journal of Ecological & Environmental Sciences and Technology 6, no. 1 (June 30, 2024): 19–23. Accessed September 25, 2025. https://www.srcest.org.ly/journal/index.php/ljest/article/view/40.