Ankit J. Vaghela, Dr. A. K. Verma, and Dr. D. A. Sinha. “Ground Improvement by Stone Column of Soft Silty Soil Bed”. International Journal of Advance Research in Engineering, Science & Technology, vol. 4, no. 4, Apr. 2017, pp. 742-7, https://ijarest.org/index.php/ijarest/article/view/1301.