Christensen, Carol A. Cooper, Tom J.

The role of cognitive strategies in the transition from counting to retrieval of basic addition facts - Inglaterra - 37-44 - 1992 Vol. 18, no. 1 = BRITISH EDUCATIONAL RESEARCH JOURNAL

ADICION COMPUTACION CONDUCTA DEL ESTUDIANTE DESARROLLO COGNOSCITIVO ESTRATEGIAS DE APRENDIZAJE PROCESOS COGNITIVOS