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Michael Sölter & Hannes S. Griebel & Martina Albrecht
Educational Research: Planning, Conducting, and Evaluating Quantitative ...
John W. Creswell
Performance Excellence - Der Praxisleitfaden zum effektiven ...
Karl Werner Wagner & Gerold Patzak
Scrum: The Complete Guide to the Agile Project Management Framework ...
Josh Wright
Qualitative Research From Start to Finish, Second Edition
Robert K. Yin
The Rules of Project Risk Management: Implementation Guidelines ...
Mr Robert Chapman