“THE MORPHOLOGICAL OBSERVATION OF MYCELIA OF SEVERAL ARMENIAN STRAINS OF MEDICINAL BRACKET FUNGUS FOMES FOMENTARIUS (L.) FR. (POLYPORALES, AGARICOMYCETES)”. Proceedings of the YSU B: Chemical and Biological Sciences, vol. 53, no. 2 (249), July 2019, pp. 91-96, https://doi.org/10.46991/PYSUB.2019.53.2.091.