1. Halpern, D. F. (2014). Thought and knowledge: An introduction to critical thinking. Psychology Press.
2. Hillman, W., & Radel, K. (Eds.). (2018). Aspects of tourism. Qualitative methods in tourism research: Theory and practice (Vol. 82). Ch. Cooper, C. M. Hall, & D. J. Timothy (Series Eds.). Channel View Publications.
3. Kaufman, J. C., Plucker, J. A., & Baer, J. (2008). Essentials of psychological assessment. Essentials of creativity assessment. A. S. Kaufman & N. L. Kaufman (Series Eds.). John Wiley & Sons, Inc.
4. Understanding the group dynamics and success of teams;Klug;Royal Society Open Science,2016