by Edward De Bono
Paperback
details (United States).
(see also: Audible Audiobook · eBook (Kindle))
details (UK).
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details (Germany).
(see also: Kindle Ausgabe · Kindle Ausgabe)
details (Canada).
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ISBN: 978-0-06-011007-9
ISBN-10: 0-06-011007-4
Harper & Row · 1970