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, vol. 15, no. 01, May 2025, p. Page 117 -23, doi:10.54772/jomc.v15i01.960.