1. Peters, T., & Waterman, R. (1982). In search of excellence. Harper & Row.
2. Porter, M. (1990). The competitive advantage of nations. Harvard Business Review, 68, 73–93.
3. Wilson, D. (1992). A strategy of change. Routledge.
4. Watson, T. (1997). Sociology, work and industry (3rd ed.). Routledge.
5. Athanasopoulou, A., & Dopson, S. (2018). A systematic review of executive coaching outcomes: Is it the journey or the destination that matters the most? The Leadership Quarterly, 29(1), 70–88.