- Wong, H. K.,& Wong, R.T. (2010). The First Days of School (4th ed.,pp 82-95). Mountain View, CA: Harry K. Wong Publications,Inc.
- Lackney, J. A. (1996). Teachers as Placemakers: Investigating Teachers’ Use of the Physical Environment in Instructional Design. Madison: University of Wisconsin, College of Engineering, School Design Research Studio.
- Glasser, W. (1998). Choice Theory: A New Psychology of Personal Freedom. New York: Harper Collins.