Yukta P Gosavi (2025) “Real-Time Railway Track Crack and Obstacle Detection System using Arduino and IoT Alert”, International Journal of Scientific Research in Science, Engineering and Technology, 12(2), pp. 447–451. Available at: https://mail.ijsrset.com/index.php/home/article/view/IJSRSET25122153 (Accessed: 19 August 2025).