Stacey, Kaye
Mathematical problem solving in groups : are two heads better than one?
- 261-275
- 11, No. 3, 1992
Mayo 1993
= JOURNAL OF MATHEMATICAL BEHAVIOR
CONDUCTA DE GRUPO DESTREZAS DEL PENSAMIENTO ENSE\197ANZA MATEMATICA INSTRUCCION DE GRUPOS PEQUE\197OS REALIZACION MATEMATICA RESOLUCION DE PROBLEMAS