Vu Quoc Anh, Nguyen Hai Quang, and Le Dung Bao Trung. “FEM-Based Prediction of Elastic Critical Loads in Steel Frames With Nonlinear Semi-Rigid Connections”. JOURNAL OF MATERIALS & CONSTRUCTION 15, no. 01 (May 20, 2025): Page 117 – Page 123. Accessed December 7, 2025. https://ojs.jomc.vn/index.php/en/article/view/960.