Khazaal, D., H. M. H. Al-Khafaji, and I. Abdulsahib. “Holes’ Parameters Analysis of a Perforated Thin-Walled Lipped Beam Buckled Under a Bending Load”. International Journal of Automotive and Mechanical Engineering, vol. 18, no. 3, Sept. 2021, pp. 8927-40, doi:10.15282/ijame.18.3.2021.07.0684.