Charanjiv Singh Saroa. “Proposed Gurmukhi-to-Braille Mapping and Preprocessing Rules for Grade 1 Braille Conversion of Punjabi Text”. International Journal of Intelligent Systems and Applications in Engineering 13, no. 2s (November 30, 2025): 332 –. Accessed August 2, 2026. https://ijisae.org/index.php/IJISAE/article/view/8446.