1. Australian Institute of Health and Welfare (2008), "Disability in Australia: intellectual disability". AIHW bulletin no. 67. Cat. no. AUS 110. Canberra.
2. Bilal, D., & Kirby, J. (2002). Differences and similarities in information seeking: children and adults as Web users. Information processing & management, 38(5), 649--670.
3. E. Carsten, T, Polajnar, K. Gyllstrom, S. Duarte Torres, and R. Glassey (2011), "Web search query assistance functionality for young audiences", Advances in Information Retrieval, 776--779.
4. Davies, D. K., Stock, S. E., & Wehmeyer, M. L. (2001). Enhancing independent internet access for individuals with mental retardation through use of a specialized web browser: A pilot study. Education and Training in Mental Retardation and Developmental Disabilities, 36(1), 107--113.
5. Friedman, M. G., & Bryen, D. N. (2007). Web accessibility design recommendations for people with cognitive disabilities. Technology and Disability, 19(4), 205--212.