Barragán-Medero, Fernando, Antonio Martín-Hernández, María Carmen Martínez-Murciano, e Ana Isabel Contreras-Madrid. «The vital role of grandparents in the education and development of grandchildren in the contemporary family ». EduSer 16, no. 1 (fevereiro 2, 2024). Acedido novembro 10, 2026. https://eduser.ipb.pt/index.php/eduser/article/view/269.