Sibling rivalry: Are gender differences or age ranges of birth the cause of social jealousy. GENDER EQUALITY: International Journal of Child and Gender Studies, [S. l.], v. 10, n. 1, p. 55–65, 2024. DOI: 10.22373/equality.v10i1.20909. Disponível em: https://jurnal.ar-raniry.ac.id/index.php/equality/article/view/20909. Acesso em: 18 apr. 2026.