Deutsche Nationalbibliogra[..] Amtsblatt. Monografien und Periodika. ...
Die Deutsche Nationalbibliothek
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Mastering Professional Scrum: Coaches' Notes for Busting Myths, ...
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Visualisierung im Management
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Scrum - a Pocket Guide: A Smart Travel Companion
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Everybody Writes: Your New and Improved Go-To Guide to Creating ...
Ann Handley