DESIGN & FABRICATION OF AUTOMATIC LEVEL ADJUSTABLE STRETCHER. International Engineering Journal For Research & Development, [S. l.], v. 7, n. 3, p. 7, 2022. DOI: 10.17605/OSF.IO/M69P4. Disponível em: https://iejrd.com/index.php/iejrd/article/view/2825. Acesso em: 11 oct. 2026.