@article{Lombas:130308,
      author        = "Lombas, Andrés S. and Jiménez, Teresa I. and
                       Arguís-Rey, Ricardo and Hernández-Paniello, Silvia and
                       Valdivia-Salas, Sonsoles and Martín-Albo, José",
      title         = "{Impact of the happy classrooms programme on psychological
                       well-being, school aggression, and classroom climate}",
      year          = "2019",
}