1. Bass, B. M. (1990). Bass & Stogdill’s handbook of leadership: Theory, research, and managerial applications (3rd ed.). Free Press.
2. Bass, B. M., & Avolio, B. J. (1994). Improving organizational effectiveness through transformational leadership. Sage.
3. Boloka, G. M. (1999). African renaissance: A quest for (un)attainable past. Critical Arts, 13(2), 92–103.
4. Buchen, I. H. (1998). Servant leadership: A model for future faculty and future institutions. Journal of Leadership Studies, 5, 125–134.
5. Cerff, K. (2021). Nurturing a culture of hope in leaders and organizations in a globally turbulent time. Servant Leadership Roundtable, Regent University.