1961-1972 :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Commissie Opvoering Produktiviteit van de Sociaal-Economische Raad,
1972]
['s-Gravenhage : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/37F5DF7B-07F7-4AEA-B45B-431D19793C2B |