TY - JOUR AU - Gómez, Pedro TI - Toward a Methodology for Exploring Mathematics Preservice Teachers´ Learning from a Sociocultural Perspective. JO - PNA PY - 2009 SP - 157 EP - 168 VL - 3 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PNA_2009_2009_1_a9/ LA - en ID - PNA_2009_2009_1_a9 ER -