International yearbook of education. 10th- 1948-.
| Formato: | Libro | 
|---|---|
| Lenguaje: | English | 
| Publicado: | Geneva
          s.n.
    
        n.d. | 
| Colección: | United Nations Educational, Scientific and Cultural Organization. International Bureau of Education. Publication no. 109, etc. | 
| Materias: |