1. ADA work site assessment;Aja,1992
2. American National Standards Institute (ANSI), 1963. American National Standard Method of recording basic Facts relating to the nature and occurrence of work injuries as cited in the Appendix. In: Brown, D.B. (Ed.), (1976), Systems Analysis and Design for Safety. Prentice-Hall, Englewood Cliffs, NJ.
3. American National Standards Institute (ANSI), 1995. American National Standards for Information Management for Occupational Safety and Health, National Safety Council. ANSI 16.2-1995, New York.
4. The function of the computer work station for the physically disabled workers;Angelo;Work,1991
5. Alternative Computer Access;Anson,1997