Repositorio Institucional de Documentos

@article{Arnal-Palacián:112003,
      author        = "Arnal-Palacián, Mónica and Begue, Nuria and Blanco,
                       Cristina",
      title         = "{The impact of sending letters in improving
                       teaching-learning process of natural number of pre-service
                       teachers}",
      year          = "2022",
}