ABDALLAH, Omar Adel Mustafa; ABUBACKER, K.M.; SURESH BABU, V. Design and Analysis of Pneumatic Operated Bed for Hospitals. International Journal of Industrial Engineering, [S. l.], v. 3, n. 10, p. 102–109, 2019. DOI: 10.65000/e1108032. Disponível em: https://gjpublications.com/index.php/IJIE/article/view/150. Acesso em: 5 feb. 2026.