IRINA SAVELCHUK. Social work: theory and practice with the system approach. Bulletin of Taras Shevchenko National University of Kyiv. Psychology, [S. l.], v. 1, n. 5, p. 63–66, 2016. Disponível em: https://psychology.bulletin.knu.ua/article/view/7679. Acesso em: 14 feb. 2026.