MD ZAIN, Badrul Aisham. The Concept of Flexible Lower Limb Powered-Exoskeleton for Human Performance Augmentation: A Review. International Journal of Integrated Engineering, [S. l.], v. 16, n. 9, p. 230–246, 2024. Disponível em: https://journal.uthm.edu.my/index.php/ijie/article/view/8100. Acesso em: 7 aug. 2026.