7Adams, L.L. (2010).Using Wenger's Social Theo- ry of Learning to Examine University Teachers' Understanding of How Instructional Technology Affects Their Experience in Practice.A doctor dissertation in the College of Human Resources and Education in West Virginia University.
8Ahheide ,D.L. (1995).An ecology of communica- tion: cultural formats of control. Hawthorne: A1- dine de Gruyter.
9Berger,P. L.,& Luckmann,T.(1967). The social construction of reality:A treatise in the sociology of knowledge.Garden City, N.Y.: Doubleday.
10Brown,J.J, (2006).The teacher-self:The role of i- dentity in teaching. A dissertation submitted to University of Massachusetts Lowell.