Gardner, W. L. et al., 2011. ‘Authentic leadership: A review
of the literature and research agenda’, Leadership
Quarterly. doi: 10.1016/j.leaqua.2011.09.007.
George Ogbonna, I., 2013. Transformational vs.
Transactional Leadership Theories: Evidence in
Literature, Odumeru & Ifeanyi. Available at:
www.irmbrjournal.com.
Gini, A. and Green, R. M., 2014. ‘Three critical
characteristics of leadership: Character, stewardship,
experience’, Business and Society Review. doi:
10.1111/basr.12040.
Goldman Schuyler, K., 2010. ‘Increasing Leadership
Integrity through Mind Training and Embodied
Learning’. doi: 10.1037/a0018081.
Grahek, M. S., Thompson, A. D. and Toliver, A., 2010.
‘The character to lead: A closer look at character in
leadership’, Consulting Psychology Journal. doi:
10.1037/a0022385.
Greenleaf, R. K., 1970.. The servant as leader. Indianapolis:
The Robert K. Greenleaf Center.
Harrison, L. M., 2011. ‘Transformational leadership,
integrity, and power’, New Directions for Student
Services, 2011(135), pp. 45–52. doi: 10.1002/ss.403.
Heifetz, R., 1994. Leadership without easy answers.
Cambridge, MA: Belknap Press.
Heifetz, R. A., Grashow, A. and Linsky, M., 2009. The
Theory Behind the Practice A Brief Introduction to the
Adaptive Leadership Framework, The Practice of
Adaptive Leadership: Tools and Tactics for Changing
Your Organization and the World.
Hutchinson, M. and Jackson, D., 2013. ‘Transformational
leadership in nursing: towards a more critical
interpretation’, Nursing Inquiry, 20, pp. 11–22. doi:
10.1111/nin.12006.
Imhonopi, , David and Ugochukwu, M. U., 2013.
‘Leadership Crisis and Corruption in the Nigerian
Leadership: An Albatross of National Development.
Jounal of African Educational Research Network, 13(1)
pp.78-87.
Lawton, A. and Páez, I., 2015. ‘Developing a Framework
for Ethical Leadership’, Journal of Business Ethics. doi:
10.1007/s10551-014-2244-2.
Leroy, H., Palanski, M. E. and Simons, T., 2012. ‘Authentic
Leadership and Behavioral Integrity as Drivers of
Follower Commitment and Performance’, Journal of
Business Ethics. doi: 10.1007/s10551-011-1036-1.
Liborius, P., 2017. ‘What Does Leaders’ Character Add to
Transformational Leadership?’, Journal of Psychology:
Interdisciplinary and Applied. doi:
10.1080/00223980.2016.1270889.
Liden, R. C. et al., 2015. ‘Servant leadership: Validation of
a short form of the SL-28’, The Leadership Quarterly.
26(2), pp. 254–269.
Von Luebke, C., 2010. ‘The Politics of Reform: Political
Scandals, Elite Resistance, and Presidential Leadership
in Indonesia’, Journal of Current Southeast Asian
Affairs, 29, pp. 79–94.
Mccleskey, J. A. (2014) ‘Situational, Transformational, and
Transactional Leadership and Leadership
Development’, Journal of Business Studies Quarterly,
5(4).
Mietzner, M., 2015. ‘Dysfunction by Design: Political
Finance and Corruption in Indonesia’, Critical Asian
Studies. doi: 10.1080/14672715.2015.1079991.
Mihelic, K. K., Lipicnik, B. and Tekavcic, M., 2010.
‘Ethical Leadership’, International Journal of
Management & Information Systems (IJMIS), 14(5).
doi: 10.19030/ijmis.v14i5.11.
Mittal, R. and Dorfman, P. W., 2012 ‘Servant leadership
across cultures’, Journal of World Business. 47(4), pp.
555–570.
Northouse, P. G., 2010. ‘Authentic Leadership Self-
Assessment Questionnaire’, Leadership Theory and
Practice.
Northouse, P. G., 2018. Leadership: Theory and practice.
Sage publications.
Owoye, O. and Bissessar, N., 2014. ‘Corruption in African
Countries: A Symptom of Leadership and Institutional
Failure’, in Challenges to Democratic Governance in
Developing Countries. doi: 10.1007/978-3-319-03143-
9_15.
Parris, D. L. and Peachey, J. W., 2013. ‘A Systematic
Literature Review of Servant Leadership Theory in
Organizational Contexts’, Journal of Business Ethics.
doi: 10.1007/s10551-012-1322-6.
Peus, C. et al., 2012. ‘Authentic Leadership: An Empirical
Test of Its Antecedents, Consequences, and Mediating
Mechanisms’, Journal of Business Ethics. doi:
10.1007/s10551-011-1042-3.
Riggo, R. and Bernard M, B., 2010. ‘Transformational
Leadership: 2nd Edition’.
Rolfe, P., 2011. ‘Transformational Leadership Theory:
What Every Leader Needs to Know’, Nurse Leader.
doi: 10.1016/j.mnl.2011.01.014.
Spears, L. C., 2010. ‘Character and Servant Leadership:
Ten Characteristics of Effective, Caring Leaders’, he
Journal of Virtues & Leadership.
Storr, L., 2004. ‘Leading with integrity: A qualitative
research study’, Journal of Health Organization and
Management. Emerald Group Publishing Limited,
18(6), pp. 415–434.
Transparency International., 2019. ‘Coruption Perception
Index 2018'. Transaparency International.
Useem, M., 2010. ‘Four lessons in adaptive leadership’,
Harvard Business Review.
Walumbwa, F. O. et al., 2008. ‘Authentic leadership:
Development and validation of a theory-based
measure’, Journal of Management, 34(1), pp. 89–126.
doi: 10.1177/0149206307308913.
Van Wart, M., 2013. ‘Lessons from leadership theory and
the contemporary challenges of leaders’, Public
Administration Review. doi: 10.1111/puar.12069.
Whittington, J. L., 2017. ‘Creating a Positive Organization
Through Servant Leadership’, in Servant Leadership
and Followership. Springer International Publishing,
pp. 51–79. doi: 10.1007/978-3-319-59366-1_3.
Yahaya, R. and Ebrahim, F., 2016. ‘Leadership styles and
organizational commitment: literature review’, Journal