KAMARUDDIN NM, ROSDI M, SAIDI NAK. The Development and Testing of Automatic Crutches for Disable Person. MyJIEAS [Internet]. 2023 Nov. 30 [cited 2024 May 17];3(01):1-6. Available from: http://myjieas.psa.edu.my/index.php/myjieas/article/view/44