But I don't understand why you say two people are doing one masters thesis. It's not possible?

In Norway two students can collaborate on one master thesis. :) or you can chose to write it alone

As far as literature is concerned, the following papers might be helpful.

• de Jager, P. (2001) Resistance to change: A new view of an old problem, The Futurist, 35, 3, pp. 24-27.
• Doyle, M. (2002) Selecting managers for transformational change, Human Resource Management Journal, 12, 1, pp. 3-16.
• Egan, R. W. and Fjermestad, J. (2006) Change and Resistance: Help for the Practitioner of Change, Proceedings of the 38th Annual Hawaii International Conference on System Sciences, 8, 23, pp. 219-225.
• Gill, R. (2003) Change management - or change leadership?, Journal of Change Management, 3, 4, pp. 307-318.
• Kegan, R. and Lisa Laskow, L. (2001) The real reason people won't change, Harvard Business Review, 79, 10, pp. 84-92.
• Kotter, J. P. and Schlesinger, L. A. (1979) Choosing strategies for change, Harvard Business Review, 57, 2, pp. 106-114.
• Palmer, I. and Dunford, R. (2002) Who says change can be managed? Positions, perspectives and problematics, Strategic Change, 11, 5, pp. 243-251.
• Self, D., R. (2007) Organizational change - overcoming resistance by creating readiness, Development and Learning in Organizations, 21, 5, pp. 11-13.
• Simões, P. M. M. and Esposito, M. (2014) Improving change management: How communication nature influences resistance to change, Journal of Management Development, 33, 4, pp. 324-341.
• Sirkin, H. L., Keenan, P. and Jackson, A. (2005) The hard side of change management, Harvard business review, 83, 10, pp. 109-118.
• Trader-Leigh, K., E (2002) Case study: Identifying resistance in managing change, Journal of Organizational Change Management, 15, 2, pp. 138-155.