Robin Singh, Barkha Verma. “Comparative Study of the Seismic Performance of Tubular Frame, Diagrid, Pentagrid, and Hexagrid Structural Systems Using ETABS”. Mathematical Statistician and Engineering Applications 71, no. 4 (January 20, 2023): 9588 –. Accessed December 7, 2025. https://philstat.org/index.php/MSEA/article/view/1757.