Guia del maestro
Guia del maestro Investiguemos en quinto grado ciencia
Donald K. Adams, Jay K. Hackett, Richard E. Moyer; editor científico:Héctor Joel Alvárez Pérez, editora linguistica Carmen R. Díaz de Olano.
- Toronto Merrill Publishing co. c1989.
- 364 p. ill.
Science--Study and teaching (Elementary)
Q 161.2 I5737 1985
372.3/5044
Science--Study and teaching (Elementary)
Q 161.2 I5737 1985
372.3/5044