Improvement of the methods of assessing the influence of external factors on the strengths and weaknesses of the enterpriseYriij Lozovik, Bogdan Tishkov, Oksana Pomazun, Vasily Derbentsev and Alexey HostrykSHS Web Conf., 107 (2021) 06006DOI: https://doi.org/10.1051/shsconf/202110706006