STUDY OF ANTIBACTERIAL AND ANTIOXIDANT ACTIVITIES OF SAXICOLOUS LICHEN $ \textit{XANTHOPARMELIA STENOPHYLLA} $. Proc. YSU B: Chem. Biol. Sci. 2020, 54 (2 (252), 132-137. https://doi.org/10.46991/PYSU:B/2020.54.2.132.