3Rose Therese Sullivan.The Subculture of the Aging and Its Implications for Health and Nursing Care to the Elderly.University of Washington,1974.
4Butler,R.N.,Lewis,M.I.Sunderland T.Aging and mental health:Positive psychosocial and biomedical approaches(5th ed.).Boston,MA:Allyn and Bacon,1998.
5Roth Gibbons.Lori Ann.Older Adults Learning Online Technologies:A Qualitative Case Study of the Experience and the Process.Dissertation of Virginia Polytechnic Institute and State University.2003.
