http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Constructivist views on the teaching and learning of mathematics
National Council of Teachers of Mathematics
edited by Robert B. Davis, Carolyn A. Maher, Nel Noddings
Περιέχει βιβλιογραφικές παραπομπές (σ. 195-210)
Journal for research in mathematics education. Monograph ; ; no. 4