Comparative Pushover Analysis of Multistory Buildings with Concrete-Filled and Non-Filled Double Channel Section with Battening Columns. NPRC J. Multidis. Res. [Internet]. 2025 Jun. 30 [cited 2026 Jul. 9];2(6):143-55. Available from: https://nepjol.info/index.php/nprcjmr/article/view/80881