References:

1. De Bono, E. (2017). Six thinking hats, Little, Brown Book Group.

2. Facione, P. A. (2015). Critical thinking: What it is and why it counts. Insight Assessment.

3. Kahneman, D. (2011). Thinking, fast and slow. Farrar, Straus and Giroux.

4. Whetten, D. A., & Cameron, K. S. (2016). Developing management skills. Pearson.