Suwal, Rajan, and Prayush Rajbhandari. 2023. “Effect of Change in Geometry on Time Period of Lattice Parabolic Shells Using SAP2000 OAPI”. Journal of the Institute of Engineering 17 (1). Kathmandu, Nepal:22-30. https://tuta.pcampus.edu.np/journal/index.php/jie/article/view/17-01-04.