Is het probleem van "zitten blijven" onoplosbaar? /
Overdruk uit: Paedagogische Studiën, 28e jrg., 2.
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Wolters,
[ca. 1951]
Groningen [etc.] : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/ED5DC45C-1F7A-448C-AB76-8092F60FC0F1 |