DE LA CRUZ, Rosalie Grace S. A Multipurpose Collapsible Scaffold for Flat and Irregular Surfaces. Civil Engineering Journal, [S. l.], v. 9, p. 105–122, 2023. DOI: 10.28991/CEJ-SP2023-09-09. Disponível em: https://www.civilejournal.org/index.php/cej/article/view/4212. Acesso em: 5 nov. 2025.