| Title | Questionnaire sur la prolongation de la scolarite obligatoire |
| Alternate title | |
| Subtitle | |
| Author | |
| Corporate author | Bureau International d'Education (Geneve) |
| Year of publication | 1931 |
| Place of publication | Geneve |
| Publisher | Bureau International d'Education |
| Source | |
| Signature | 66-259-500 |