DO, V. H. Upper Bound Limit Analysis of 2D Structures Using Lagrange Extraction-Based Isogeometric Analysis. Journal of Technical Education Science, [S. l.], v. 18, n. 5, p. 66–74, 2023. DOI: 10.54644/jte.79.2023.1372. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/1372. Acesso em: 7 apr. 2026.