TY  - BOOK
ED  - National Council of Teachers of Mathematics (Estados Unidos).
TI  - Guidelines for evaluating computerized instructional materials
U1  - 371.39445 
PY  - 1986///, c1984
CY  - Reston, VA.
PB  - National Council of Teachers of Mathematics
KW  - Procesamiento electrónico de datos
KW  - Enseñanza
KW  - Evaluación
ER  -