L. Zhou, A.T. Parker, Derrick W. Smith and N. Griffin-Shirley. "Assistive technology for students with visual impairments: Challenges and needs in teachers’ preparation programs and practice" Journal of Visual Impairment & Blindness Vol. 105 Iss. 4 (2011) p. 197 - 210
Available at: http://works.bepress.com/derrick-smith/28/