DUMAN, Demet CANSARAN, Sümer ARAS, and Orhan ATAKOL. “Determination of Usnic Acid Content in Some Lichen Species Found in Anatolia”. Journal of Applied Biological Sciences 2, no. 3 (June 1, 2019): 41–44. Accessed September 17, 2026. https://www.jabsonline.org/index.php/jabs/article/view/112.