Simonyan, A. et al. 2020. STUDY OF ANTIBACTERIAL AND ANTIOXIDANT ACTIVITIES OF SAXICOLOUS LICHEN $ \textit{XANTHOPARMELIA STENOPHYLLA} $. Proceedings of the YSU B: Chemical and Biological Sciences. 54, 2 (252) (Aug. 2020), 132–137. DOI:https://doi.org/10.46991/PYSU:B/2020.54.2.132.