1. Albertazzi, L. (2006). Immanent realism: An introduction to Brentano. Springer.
2. Baber, S. A. (2007). Interplay of citizenship, education and mathematics: Formation of foregrounds of Pakistani immigrants in Denmark. Doctoral dissertation, Aalborg University.
3. Baber, S. (2012). Learning of mathematics among Pakistani immigrant children in Barcelona: A socio-cultural perspective. In O. Skovsmose & B. Greer (Eds.), Opening the cage: Critique and politics of mathematics education (pp. 144–166). Sense Publishers.
4. Beth, E. W., & Piaget, J. (1966). Mathematics, epistemology and psychology. Reidel.
5. Biotto Filho, D. (2015). Quem não sonhou em ser um jogador de futebol? Trabalho com projetos para reelaborar foregrounds (Who never dreamed of being a soccer player? Working with projects for elaborating foregrounds). Doctoral dissertation, Universidade Estadual Paulista (Unesp).