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1. Consulting Success
:ZIPURSKY, Michael. Consulting Success : The Proven Guide to Start, Run and Grow a Successful Consulting Business. [S.l.] : Consulting Success and Advicetap Digital, 2018. 305 s. ISBN 978-1-7750411-1-5. [Počet ex. : 1, z toho voľných 0, prezenčne 1]