1. Servant Leadership: A Journey into the Nature of Legitimate Power and Greatness;Greenleaf,1977
2. The development & initial testing of the purpose in leadership inventory: A tool for assessing leader goal-orientation, follower-focus, and purpose-in-leadership;Irving;SLTP,2014
3. Servant versus self-sacrificial leadership: Commonalities and distinctions of two follower-oriented leadership theories;Matteson;Int. J. Leadersh. Stud.,2005
4. Transformational versus servant leadership: a difference in leader focus
5. THE ANTECEDENTS, CONSEQUENCES, AND MEDIATING ROLE OF ORGANIZATIONAL AMBIDEXTERITY.