JUHA, Nadzeja D. Cluster analysis of competitiveness, self-improvement and self-creation potential. Journal of the Belarusian State University. Philosophy and Psychology, [S. l.], n. 3, p. 86–91, 2019. Disponível em: https://journals.bsu.by/index.php/philosophy/article/view/1945. Acesso em: 18 jul. 2026.