Sengupta, A. K., and S. Sarkar. “Evaluation of Seismic Vulnerability of Multi-Storeyed Buildings Having Columns of Different Heights in a Storey Using Pushover Analysis”. Journal of Structural Engineering, vol. 43, no. 4, Nov. 2024, pp. 351-6, http://14.139.176.44/index.php/JOSE/article/view/839.