Anh, Vu Quoc. “Stability Analysis of Steel Frames With Semi-Rigid Connections and Rigid Zones by Using P-Delta Effect”. <i>Vietnam Journal of Mechanics</i> 24, no. 1 (March 31, 2002): 14–24. Accessed January 12, 2026. https://vjes.vast.vn/vjmech/article/view/6605.