G. Paavai Anand, G. V. . “Unveiling Gesture Language: Advancements in Deep Backpropagation Neural Networks for Image-Based Sign Language Recognition”. International Journal of Intelligent Systems and Applications in Engineering, vol. 12, no. 3, Mar. 2024, pp. 2578-89, https://ijisae.org/index.php/IJISAE/article/view/5730.