1. American Psychological Association. (2010). Mastering APA style: Student's workbook and training guide (6th ed.). Washington, DC: American Psychological Association.
2. Abend, G. (2008). The meaning of ‘theory’. Sociological Theory, 26(2), 173-199.
3. Barnes, E. and Gearin, C. (2022). How millennials approach leadership in higher education. Journal of Leadership Education, 21(1). https://doi.org/10.12806/v21/i1/r4
4. Baron, L., Rouleau, V., Grégoire, S., & Baron, C. (2018). Mindfulness and leadership flexibility.
5. The Journal of Management Development, 37(2), 165-177. https://doi.org/10.1108/jmd-06-2017-0213
6. Bennis, W. (2004). Learning some basic truisms about leadership. Talented Teachers: The Essential Force for Improving Student Achievement, 245.
7. Birnie, E. A. (2019). Spiritual leaders can retain nurses. Journal of Nursing Management, 27(7), 1563-1567.
8. Cameron, K. S., & Quinn, R. E. (2005). Diagnosing and changing organizational culture. John Wiley & Sons Inc: New Jersey.competing values framework (Revised ed.). San Francisco, USA: Jossey-Bass Inc Pub.
9. Carrillo, P. (2005). Lessons learned practices in the engineering, procurement and construction sector. Engineering, Construction and Architectural Management, 12(3), 236–250.
10. Carter, D., DeChurch, L., Braun, M., & Contractor, N. (2015). Social network approaches to leadership: an integrative conceptual review.. Journal of Applied Psychology, 100(3), 597-622. https://doi.org/10.1037/a0038922
11. Chen, S. and Zheng, K. (2014). Why the leadership of change is especially difficult for chinese principals. Journal of Organizational Change Management, 27(3), 486-498. https://doi.org/10.1108/jocm-07-2013-0121
12. Cooney, M. (2023). Adaptive leadership in urban community colleges: meeting new challenges through new ways of thinking. New Directions for Community Colleges, 2023(204), 105-119. https://doi.org/10.1002/cc.20605
13. Dickson, G. (2016). Health reform in canada. Healthcare Management Forum, 29(2), 53-58. https://doi.org/10.1177/0840470416628635
14. DiPadova, L. N., & Faerman, S. R. (1993). Using the competing values framework to facilitate managerial understanding across levels of organizational hierarchy. Human Resource Management, 32(1), 143-174.
15. Egel, E., & Fry, L. W. (2017). Spiritual leadership as a model for Islamic leadership. Public Integrity, 19(1), 77-95.
16. Elkington, R. and Booysen, L. (2015). Innovative leadership as enabling function within organizations: a complex adaptive system approach. Journal of Leadership Studies, 9(3), 78-80. https://doi.org/10.1002/jls.21414
17. Fernandez, C. F., & Vecchio, R. P. (1997). Situational leadership theory revisited: A test of an across-jobs perspective. The Leadership Quarterly, 8(1), 67
18. Fry, L. W., Latham, J. R., Clinebell, S. K., & Krahnke, K. (2017). Spiritual leadership as a model for performance excellence: a study of Baldrige award recipients. Journal of Management, Spirituality & Religion, 14(1), 22-47.
19. Fulop, L. and Mark, A. (2013). Relational leadership, decision-making and the messiness of context in healthcare. Leadership, 9(2), 254-277. https://doi.org/10.1177/1742715012468785
20. Geier, M. (2016). Leadership in extreme contexts. Journal of Leadership & Organizational Studies, 23(3), 234-247. https://doi.org/10.1177/1548051815627359
21. Hallinger, P. (2011). Leadership for learning: lessons from 40 years of empirical research. Journal of Educational Administration, 49(2), 125-142. https://doi.org/10.1108/09578231111116699
22. Hannah, S., Uhl‐Bien, M., Avolio, B., & Cavarretta, F. (2009). A framework for examining leadership in extreme contexts. The Leadership Quarterly, 20(6), 897-919. https://doi.org/10.1016/j.leaqua.2009.09.006
23. Hannah, S., Balthazard, P., Waldman, D., Jennings, P., & Thatcher, R. (2013). The psychological and neurological bases of leader self-complexity and effects on adaptive decision-making.. Journal of Applied Psychology, 98(3), 393-411. https://doi.org/10.1037/a0032257
24. Hersey, P., & Blanchard, K. H. (1969). Life cycle theory of leadership. Training & Development Journal. 23(5), 26–34.
25. Ilac, E. (2018). Exploring social enterprise leadership development through phenomenological analysis. Social Enterprise Journal, 14(3), 268-288. https://doi.org/10.1108/sej-12-2017-0065
26. Jepson, D. (2009). Leadership context: the importance of departments. Leadership & Organization Development Journal, 30(1), 36-52. https://doi.org/10.1108/01437730910927098
27. Kaiser, R. and Overfield, D. (2010). Assessing flexible leadership as a mastery of opposites. Consulting Psychology Journal Practice and Research, 62(2), 105-118. https://doi.org/10.1037/a0019987
28. Khalid Hussain (2020). Spirituality in Islam in Essentials of Islamic Sciences. New Delhi: Adam Publishers & Distributors. ISBN 81-74350-413-1, Page No. 469-490.
29. Kriger, M., & Seng, Y. (2005). Leadership with inner meaning: A contingency theory of leadership based on the worldviews of five religions. The leadership quarterly, 16(5), 771-806.
30. Lang, J. (2019). Teaching leadership better: a framework for developing contextually-intelligent leadership. Creative Education, 10(02), 443-463. https://doi.org/10.4236/ce.2019.102032
31. Larso, D., Doolen, T., & Hacker, M. (2009). Development of a manufacturing flexibility hierarchy through factor and cluster analysis. Journal of Manufacturing Technology Management, 20(4), 417-441. https://doi.org/10.1108/17410380910953702
32. Lord, R., Hannah, S., & Jennings, P. (2011). A framework for understanding leadership and individual requisite complexity. Organizational Psychology Review, 1(2), 104-127. https://doi.org/10.1177/2041386610384757
33. Marwansyah, N.A. & Marwansyah, Marwansyah. (2017). Spiritual leadership of an Indonesian
34. Meuse, K., Dai, G., & Hallenbeck, G. (2010). Learning agility: a construct whose time has come.Consulting Psychology Journal Practice and Research, 62(2), 119-130. https://doi.org/10.1037/a0019988 Muslim business leader: a religious spirituality perspective. International Journal of Business and Globalisation. 19. 528. 10.1504/IJBG.2017.10007896.
35. Muluneh, G. and Gedifew, M. (2018). Leading changes through adaptive design. Journal of Organizational Change Management, 31(6), 1249-1270. https://doi.org/10.1108/jocm-10-2017-0379
36. Mulders, M. (2019). Situational leadership theory., 312-314. https://doi.org/10.4324/9781003022022-86
37. Mumford, M., Friedrich, T., Vessey, W., & Ruark, G. (2012). Collective leadership: thinking about issues vis-à-vis others. Industrial and Organizational Psychology, 5(4), 408-411. https://doi.org/10.1111/j.1754-9434.2012.01469.x
38. Quinn, R. E., Hildebrandt, H. W., Rogers, P. S., & Thompson, M. P. (1991). A competing values framework for analyzing presentational communication in management contexts. The Journal of Business Communication (1973), 28(3), 213-232.
39. Rafsanjani, H. (2017). Kepemimpinan Spiritual. Jurnal Masharif al-Syariah: Jurnal Ekonomi dan Perbankan Syariah. Vol. 2 (1), 1-17.
40. Ravitch, S. M., & Riggan, M. (2017). Reason & rigor: How theoretical frameworks guide. Los Angeles: SAGE.
41. Reave, L. (2005). Spiritual values and practices related to leadership effectiveness. The Leadership Quarterly, 16(5), 655-687. https://doi.org/10.1016/j.leaqua.2005.07.003
42. Ryu, J., Walls, J., & Louis, K. (2022). Caring school leadership, school context and organizational learning: implications for developing professional capital. Journal of Professional Capital and Community, 7(3), 209-227. https://doi.org/10.1108/jpcc-07-2021-0039
43. Sanderson, C. (2006). Counselling adult survivors of child sexual abuse. London: Jessica Kingsley Publishers.
44. Shaari, Z., Amar, A., Zainol, M., & Harun, A. (2014). Linking leadership studies to corporate brand management: a review. International Journal of Business Administration, 6(1). https://doi.org/10.5430/ijba.v6n1p26
45. Sheikh, A. A., Inam, A., Rubab, A., Najam, U., Rana, N. A., & Awan, H. M. (2019). The spiritual role of a leader in sustaining work engagement: A teacher-perceived paradigm. Sage Open, 9(3), 2158244019863567.
46. Sims Jr, H. P., Faraj, S., & Yun, S. (2009). When should a leader be directive or empowering? How to develop your own situational theory of leadership. Business Horizons, 52(2), 149-158.
47. Swanson, L.A. (2013), A Strategic Engagement Framework for Nonprofits. Nonprofit Management and Leadership, 23: 303-323. https://doi.org/10.1002/nml.21067
48. Sweeney, A., Clarke, N., & Higgs, M. (2019). Shared leadership in commercial organizations: A systematic review of definitions, theoretical frameworks and organizational outcomes. International Journal of Management Reviews, 21(1), 115-136.
49. Uhl‐Bien, M. (2021). Complexity and covid‐19: leadership and followership in a complex world. Journal of Management Studies, 58(5), 1400-1404. https://doi.org/10.1111/joms.12696
50. Vecchio, R. P., Bullis, R. C., & Brazil, D. M. (2006). The Utility of Situational Leadership Theory: A Replication in a Military Setting. Small Group Research, 37(5), 407–424. https://doi.org/10.1177/1046496406291560
51. Vroom, V. H., & Jago, A. G. (2007). The role of the situation in leadership. American Psychologist, 62(1), 17.
52. Wang, M., Guo, T., Ni, Y., Shang, S., & Tang, Z. (2019). The effect of spiritual leadership on employee effectiveness: An intrinsic motivation perspective. Frontiers in Psychology, 9, 2627.
53. Wang, D., Waldman, D. A., & Zhang, Z. (2014). A meta-analysis of shared leadership and team effectiveness. Journal of Applied Psychology, 99(2), 181.
54. Wong, S. I., & Berntzen, M. N. (2019). Transformational leadership and leader–member exchange in distributed teams: The roles of electronic dependence and team task interdependence. Computers in Human Behavior, 92, 381-392.
55. Wu, Q., Cormican, K., & Chen, G. (2020). A Meta-Analysis of Shared Leadership: Antecedents, Consequences, and Moderators. Journal of Leadership and Organizational Studies, 27(1), 49–64. https://doi.org/10.1177/1548051818820862
56. Yardley, I., & Neal, D. J. (2007). Understanding the leadership and culture dynamic within a military context: Applying theory to an operational and business context. Defence Studies, 7(1), 21-41.
57. Zafft, C. R., Adams, S. G., & Matkin, G. S. (2009). Measuring leadership in self‐managed teams using the competing values framework. Journal of Engineering Education, 98(3), 273-282.
58. Zhu, J., Liao, Z., Yam, K. C., & Johnson, R. E. (2018). Shared leadership: A state-of-the-art review and future research agenda. In Journal of Organizational Behavior. Vol. 39, Issue 7, pp. 834–852). John Wiley and Sons Ltd. https://doi.org/10.1002/job.2296