The results of the pilot study of the Sibling relationship. The Journal of Psychology and Sociology, [S. l.], v. 93, n. 2, p. 37–51, 2025. DOI: 10.26577/JPsS202593204. Disponível em: https://bulletin-psysoc.kaznu.kz/index.php/1-psy/article/view/2164. Acesso em: 5 jul. 2026.