USHVITSKIY, L.; KULAGOVSKAYA, T.; TER-GRIGOR’YANTS, A.; MASLENNIKOVA, N.; PUCHKOVA, E. Competency-based approach to the assessment of specialists using the theory of fuzzy sets. Amazonia Investiga, v. 8, n. 22, p. 31-39, 26 set. 2019.