Contribuciones /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | Spanish |
| Published: |
París :
UNESCO ,
1977
|
| Edition: | 1a. ed. |
| Series: | Informes de reuniones de Trabajo ;
no. 11 |
| Subjects: |
| Physical Description: | 228 p. : il. ; 30 cm. |
|---|---|
| Bibliography: | Incluye Bibliografías |