Balance and Integrate Theory with Practice

Lowenfeld B. (1973). Psychological considerations. In Lowenfeld B. (Ed.), (pp. 27–60). New York: The John Day Company.

Tuttle D.W. , & Tuttle N.R. (1996). Self-esteem and adjusting with blindness: The process of responding to life's demands (2nd ed.). Springfield, IL: Charles C Thomas.