Á lódáil...
Time study and common sense a critical study of conceptions and methods with suggestions for improvement
| Príomhúdar: | |
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| Formáid: | Printed Book |
| Teanga: | English |
| Foilsithe: |
London
Macdonald
1947
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| Ábhair: |
| Cur Síos Fisiciúil: | viii, 112p. |
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