PREDKO, Denys; LEVCHENKO, Yuliya. Life milestones and psychological visions of Ivan Chetverykov. Bulletin of Taras Shevchenko National University of Kyiv. Psychology, [S. l.], v. 2, n. 20, p. 92–96, 2025. DOI: 10.17721/BPSY.2024.2(20).15. Disponível em: https://psychology.bulletin.knu.ua/article/view/3726. Acesso em: 14 feb. 2026.