Consultor : ciencias naturales.
| Format: | Book |
|---|---|
| Language: | Spanish |
| Published: |
Mexico, D.F. :
Nuevas Tecnicas Educativas,
[1973]
|
| Subjects: |
| Item Description: | Gr. 4-6. Based on work done by the Department of Educational Investigations, Educacion Santillana in various countries. |
|---|---|
| Physical Description: | 3 volumes : color illustrations ; 26 cm. |