30 jaar efficiëncy :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Nederlands Instituut voor Efficiency,
1955.
's-Gravenhage : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/777CF4EE-95A9-46A2-B717-713A283EF6A7 |
| Published: | 1955. |
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