Fiedler, F. E. A contingency model of leadership effectiveness. Psychological Bulletin, 62(2), 128-148, 1964.
Fiedler, F. E. A Theory of Leadership Effectiveness. New York: McGraw-Hill, 1967.
Field, A. Discovering Statistics Using IBM SPSS Statistics. SAGE Publications, 2013
Ford, H. Â Today and Tomorrow. Garden City Publishing Company, 1926.
Fraenkel, J. R., & Wallen, N. E. How to Design and Evaluate Research in Education. McGraw-Hill, 2009.
Fullan, M. Â Leading in a Culture of Change. Jossey-Bass, 2001
Ghemawat, P. The Laws of Globalization and Business Applications. Cambridge: Cambridge University Press, 2017.
Guskey, T. R. Evaluating professional development. Thousand Oaks, CA: Corwin Press, 2000.
Hargreaves, A. Changing teachers, changing times: Teachers' work and culture in the postmodern age. Teachers College Press, 1994.
Hargreaves, A., & Fullan, M. Professional Capital: Transforming Teaching in Every School. Teachers College Press, 2012.
Harris, A. Distributed Leadership: What We Know. Educational Management Administration & Leadership, 46(5), 1-12, 2018.