Busatto, Renato ORCID: https://orcid.org/0000-0003-2304-1676 and Harvey, Richard ORCID: https://orcid.org/0000-0001-9925-8316 (2022) Outdoor navigation assistants for visually impaired persons: Problems and challenges. Journal on Technology and Persons with Disabilities, 10. pp. 184-205. ISSN 2330-4219