Universidad de Zaragoza Repository

@article{Ayllón:165840,
      author        = "Ayllón, Ester and Moyano, Nieves and Aibar-Solana,
                       Alberto and Salamanca, Annabella and Bañares, Lidia",
      title         = "{Independent mobility to school and Spanish children: go,
                       return, or both?}",
      year          = "2020",
}