by International Labor Office
Paperback
ISBN: 978-92-2-107108-2
ISBN-10: 92-2-107108-1
Intl Labour Organisation · 1992
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by International Labor OfficePaperback
ISBN: 978-92-2-107108-2 ISBN-10: 92-2-107108-1 Intl Labour Organisation · 1992 |
| See also (possibly by other authors): | ||
| 1969 | Paperback | Introduction to Work Study |