@article {218658,
	title = {A systematic review of urban navigation systems for visually impaired people},
	journal = {Sensors},
	volume = {21},
	year = {2021},
	attachments = {https://scholar.cu.edu.eg/sites/default/files/aymantaha/files/a_systematic_review_of_urban_navigation_systems_.pdf},
	author = {Fatma El-Zahraa El-Taher and Taha, Ayman and Jane Courtney and Susan Mckeever}
}
