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by Richard KochPaperback details (UK). details (USA). details (Germany). details (Canada). ISBN: 978-1-85788-399-2 ISBN-10: 1-85788-399-3 |
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1998 | Paperback | The 80/20 Principle: The Secret of Achieving More with Less |
1997 | Hardcover | The 80/20 Principle: The Secret of Achieving More with Less |