Paraskevi Theodorou and Apostolos Meliones, User Requirements Analysis for the Development of Assistive Navigation Mobile Apps for Blind and Visually Impaired People. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2020, vol. 157(1). 6 - 9 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/10010981.