References

• Akinbode, A. I., & Al Shuhumi, S. R. A. (2018). The Principalship in the Twenty-First Century. PUPIL: International Journal of Teaching, Education and Learning, 2(2).
• Alvy, H., & Robbins, P. (2005). Growing into Leadership. Educational Leadership, 62(8), 50-54.
• Azorin, C. (2020).
• Chalkiadaki, A. (2018). A systematic literature review of 21st century skills and competencies in primary education. International Journal of Instruction, 11(3), 1-16.
• Daniëls, E., Hondeghem, A., & Dochy, F. (2019). A review on leadership and leadership development in educational settings. Educational research review, 27, 110-125.
• Dede, C. (2009). Comparing frameworks for 21st century skills. 21st century skills: Rethinking how students learn, 20, 51-76.
• Dimmock, C., & Walker, A. (2002). School leadership in context: Societal and organisational cultures. The principles and practice of educational management, 70-85.
• Gunter, H., & Ribbins, P. (2003). The field of educational leadership: studying maps and mapping studies. British journal of educational studies, 51(3), 254-281.
• Hargreaves, A., Halász, G., & Pont, B. (2007). School leadership for systemic improvement in Finland. Paris: Organization for Economic Cooperation and Development
• Hargreaves, A. (2020),
• Harris, A. (2005). Distributed leadership. The essentials of school leadership, Davies (Ed.). London: Paul Chapman.
• Harris, A. (2020). COVID-19-school leadership in crisis? Journal of Professional Capital and Community.
• Khan, A. A., Asimiran, S., Kadir, S. A., & Basri, R. (2020). Principals' Instructional Leadership Practices in Pakistan Elementary Schools: Perceptions and Implications. Universal Journal of Educational Research, 8(1A), 16 - 23. DOI: 10.13189/ujer.2020.081303.
• LEAAD. (2014). The LEAAD 4C Framework http://leaad.org/about- leaad.aspx?pg=au
• Leithwood, K., Harris, A., & Hopkins, D. (2020).
• Lunenburg, F. C. (2010). The principal and the school: What do principals do. In National Forum of Educational Administration and Supervision Journal 27 (4), 1-13.
• Moodly, A., & Toni, N. (2015). Women's voices of and on leadership in higher education.
• Moodly, A., & Toni, N. (2015). Women's voices of and on leadership in higher education. In Global Research and International Services (GRDS) 7th International Conference on Teaching, Education and Learning (ICTEL) (pp. 10-11).
• Mumford, M. D., Marks, M. A., Zaccaro, S. J., & Reiter-Palmon, R. (2000). Development of leadership skills: Experience and timing. Psychology Faculty Publications Paper, 11(1).
• Murakami, E. (2019). Introduction: Affective and Effective Leadership Factors in the Day-to-day Operations of Schools.
• Netolicky, D. M. (2020),
• Northouse, P. G. (2012). Introduction to Leadership: Concepts and Practice: Concepts and Practice (2nd ed.). Sage Publications.
• PAKEDU.Net (2015). Training Workshops, (n.d) on October 15, 2015, http://pakedu.net/category/training-workshops/.
• Piaw, C. Y., Hee, T. F., Ismail, N. R., & Ying, L. H. (2014). Factors of leadership skills of secondary school principals. Procedia-Social and Behavioral Sciences, 116, 5125-5129.
• Pont, B., Nusche, D., & Moorman, H. (2008). Improving School Leadership, Volume 1 Policy and Practice: Policy and Practice (Vol. 1). OECD publishing.
• Rizzo, P. J. (2012). The 4 Cs of Leadership. (2012). on October 9, 2015, http://www2.johnson.cornell.edu/almni/enterprise/fall2012/index.cfm?ction=department
• Silva, E. (2009). Measuring skills for 21st-century learning. The Phi Delta Kappan, 90(9), 630-634.
• Stone-Johnson, C., & Weiner, J. M. (2020). Principal professionalism in the time of COVID-19. Journal of Professional Capital and Community.
• Sudana, I. M., & Apriyani, D. (2018). Principal's Leadership in Developing Critical Thinking Ability to Improve Work Productivity. In International Conference on Indonesian Technical Vocational Education and Association (APTEKINDO 2018). Atlantis Press.
• Suto, I. (2013). 21st century skills: Ancient, ubiquitous, enigmatic. Research Matters: A Cambridge Assessment Publication, 15, 2-8.
• Talat, A., & Fakhar, H. (2014). The Effect of PBL and 21st Century Skills on Students' Creativity and Competitiveness in Private Schools. The Lahore Journal of Business, 15(6), 89-114.
• Wang, V. C. (Ed.). (2018). Strategic leadership. IAP.
• Zhao, Y. (2020).