1. WHO. Deafness and hearing loss Fact Sheet 300 n.d. [accessed March 5, 2016].
2. MICT. Deafness and hearing loss Fact Sheet 300 2006. [accessed March 5, 2016].
3. Mielke M, Grunewald A, Bruck R. An assistive technology for hearing-impaired persons: analysis, requirements and architecture. In: Eng med biol soc (EMBC), 2013 35th annu int conf IEEE; 2013. p. 4702–5.
4. HandTalk: assistive technology for the deaf;Sarji;Computer (Long Beach Calif),2008
5. Global survey report WFD interim regional secretariat for the Arab region (WFD RSAR) global education pre-planning project on the human rights of deaf people; 2008.