de Luna, Robert G. “A Tesseract-Based Optical Character Recognition for a Text-to-Braille Code Conversion”. International Journal on Advanced Science, Engineering and Information Technology 10, no. 1 (February 20, 2020): 128–136. Accessed August 24, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/9956.