7Deane H. Shapiro, Jr. John A. Astin. Control Thexapy, An integrated approach to psychotherapy, health, and headling.Jolm Wiley & Sons, Inc. 1998:9-14, 18-36.
8Bandura, A. Self- efficacy: The exercise of control. New York: W. H. Freeman. 1997.
9Bandura, A. Social foundations of thought and action: A social cognitive theory. Englewood Cliffs, NJ: Prentice Hall. 1986.
