PMP: Project Management Professional Exam Review Guide
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The Art and Discipline of Strategic Leadership
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Der Entgrenzte Mensch Und Die Grenzen Der Erde Band 2
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Qualitative Research From Start to Finish, Second Edition
Robert K. Yin
Market Research: The Process, Data, and Methods Using Stata
Marko Sarstedt & Erik Mooi & Irma Mooi-Reci
Matsushita Leadership
John P. Kotter