Selvan K., Anbu, Shankareswari A., and V. Ulagamuthalvi. “Crowd Density Estimation in Railway Coaches”. Journal of Innovation and Technology 2026, no. 3 (August 6, 2026): 212–220. Accessed August 10, 2026. https://iuojs.intimal.edu.my/index.php/joit/article/view/911.