Sardiman, C., Mughnie, B. . and Lestari, T. R. . (2023) “Comparison Analysis of Gait on Transfemoral Patient using Four-bar Linkage Friction and Pneumatic Swing Phase Control”, Journal Center of Excellent : Health Assistive Technology , 1(1), pp. 41–44. doi: 10.36082/jchat.v1i1.1013.