TY - BOOK AU - D'Ambrosio, Beatriz S. AU - Mendonca, Tania Maria TI - Pre-services teachers' representations of children's understanding of mathematical concepts : conflicts and conflict resolution KW - APRENDIZAJE EXPERIMENTAL KW - EDUCACION DEL MAESTRO EN CONSERVACION KW - ESTRUCTURA COGNITIVA KW - FRAGMENTOS KW - REESTRUCTURACION COGNITIVA ER -