YU, Xuefangyuan. Research on Influencing Factors of Sibling Relationships in Two-child Families based on Family Ecosystem Theory. Exploring Science Academic Conference Series, [S. l.], v. 7, p. 35–42, 2025. DOI: 10.70267/iclpce.202503. Disponível em: http://journals.zeuspress.org/index.php/conference/article/view/421. Acesso em: 6 nov. 2025.