Masdar, Aizan, B. S. K. K. Ibrahim, and M. Mahadi Abdul Jamil. “Development of Low-Cost Current Controlled Stimulator for Paraplegics”. International Journal of Integrated Engineering 4, no. 3 (1). Accessed November 29, 2020. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/621.