Shair, E.F., M.F.A. Suleiman, A.R. Abdullah, N. Nazmi, and N.Z. Saharuddin. 2021. “Reduction of Limb Position Invariant of SEMG Signals for Improved Prosthetic Control Using Spectrogram”. International Journal of Integrated Engineering 13 (5): 79-88. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/8643.