Sáez, Yessica, Héctor Montes, Antony Garcia, José Muñoz, Edwin Collado, and Rubén Mendoza. 2021. “Indoor Navigation Technologies Based on RFID Systems to Assist Visually Impaired People: A Review and a Proposal”. IEEE Latin America Transactions 19 (8):1286-98. https://latamt.ieeer9.org/index.php/transactions/article/view/4454.