Llwytho...
Time study and common sense a critical study of conceptions and methods with suggestions for improvement
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
London
Macdonald
1947
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| Pynciau: |
| Disgrifiad Corfforoll: | viii, 112p. |
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