Early childhood mathematics by Jensen, Robert J., National Council of Teachers of Mathematics., Research Interpretation Project, (Estados Unidos) fromResearch ideas for the classroom 0 Type: Book
Didácticas de las matemáticas para primaria by Belmonte Gómez, Juan Miguel, Ruiz Higueras, María Luisa, Vecino Rubio, Francisco, Chamorro, Ma. del Carmen, Linares, Salvador fromColección didáctica 0 Type: Book
