Lile, N. L. T., M. H. M. Jaafar, M. R. Roslan, and M. S. Muhamad Azmi. “Blockage Detection in Circular Pipe Using Vibration Analysis”. International Journal on Advanced Science, Engineering and Information Technology 2, no. 3 (June 4, 2012): 252–255. Accessed July 22, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/197.