Adair John. (2011). Leadership and motivation: The fifty-fifty rule and the eight key principles of motivating others (1.). Kogan page india private limited.
Παραπομπή Chicago StyleAdair John. Leadership and Motivation: The Fifty-fifty Rule and the Eight Key Principles of Motivating Others. 1. New Delhi: Kogan page india private limited, 2011.
Παραπομπή MLAAdair John. Leadership and Motivation: The Fifty-fifty Rule and the Eight Key Principles of Motivating Others. 1. Kogan page india private limited, 2011.
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