“Independent Locomotion Assistance for the Visually Impaired in the Campus of Frederico Westphalen - RS, UFSM - Federal University of Santa Maria”. Research, Society and Development 8, no. 10 (August 24, 2019): e398101402. Accessed June 28, 2025. https://ojs34.rsdjournal.org/index.php/rsd/article/view/1402.