Ferreira, Manuela, and Catarina Tomás. ““Does Preschool Make a difference?” Educational Policies in Early Childhood Education and Pedagogical Practices: ‘O Pré-Escolar Faz a diferença?’ Políticas Educativas Na educação De infância E práticas pedagógicas”. Portuguese Journal of Education, vol. 31, no. 2, Dec. 2018, pp. 68-84, doi:10.21814/rpe.14142.