TRAN, Le Nam; PHAN, Thi Hiep. Presenting a surface of revolution by using orthonormal projection with the TikZ package. Natural Sciences Issue, [S. l.], v. 12, n. 5, p. 26–34, 2023. Disponível em: https://dthujs.vn/index.php/nsen/article/view/552. Acesso em: 10 sep. 2026.