T. Happila, S. Megavarshini, S. Pavithira. “A Novel Based Approach on Shopping for Visually Impaired People”. Annals of the Romanian Society for Cell Biology (April 24, 2021): 10003–10012. Accessed November 8, 2026. http://www.annalsofrscb.ro/index.php/journal/article/view/3752.