Technology for the blind to do what a guide dog cannot.

Manylion Llyfryddiaeth
Cyhoeddwyd yn:	Manila bulletin Jan-, Mon-Sat (2009).
Prif Awdur:	Helft, Miguel
Fformat:	Erthygl
Iaith:	English
Pynciau:	Communication devices for people with disabilities. Cellular telephones. Blind, Apparatus for the > Technological innovations.