search query: @author Ruth, S. / total: 1
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| title | year | author | ||
| 1. |
Journal of European Industrial Training
1986 : VOL. 10:8, p. 9-12 |
1986 | Ruth, S. |
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| title | year | author | ||
| 1. |
Journal of European Industrial Training
1986 : VOL. 10:8, p. 9-12 |
1986 | Ruth, S. |