Assessment of the competence development level of personal agents in the context of relationship marketingElena S. Kiseleva, Elena V. Yakimenko, Tatiana G. Trubchenko, Marina A. Loshchilova, Inna V. Krakovetskaya and Pavel A. NeverovSHS Web Conf., 80 (2020) 01018DOI: https://doi.org/10.1051/shsconf/20208001018