Rahmi, D., Kristianto, J. and Karma, A. 2022. COMPARISON OF ENERGY COST IN TRANSFEMORAL PROSTHESIS USERS USING MECHANICAL FOUR-BAR LINKAGE AND PNEUMATIC SYSTEM PROSTHETIC KNEE JOINTS. Journal of Prosthetics Orthotics and Science Technology. 1, 1 (Sep. 2022), 28–33. DOI:https://doi.org/10.36082/jpost.v1i1.647.