Sriman Narayanan, K., N. Arun Prakash, and B. Anupriya. “Comparative Study on Castellated Beam for Circular and Hexagonal Opening Using ANSYS”. The Asian Review of Civil Engineering, vol. 7, no. 2, Nov. 2018, pp. 20-23, doi:10.51983/tarce-2018.7.2.2264.