Razak Al-Jaleeli, Yasar, and Anis Galimyanov. “Supporting Education of People With Visual Disabilities Using Braille Codes and QR Code Technology”. Amazonia Investiga 7, no. 15 (August 30, 2018): 150-156. Accessed April 26, 2024. https://amazoniainvestiga.info/index.php/amazonia/article/view/433.