Azizan, N. A., K. S. Basaruddin, A. F. Salleh, H. Sakeran, A. R. Sulaiman, and E. M. Cheng. “The Effect of Structural Leg Length Discrepancy on Vertical Ground Reaction Force and Spatial-Temporal Gait Parameter: A Pilot Study”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 10, no. 1-16, May 2018, pp. 111-4, https://jtec.utem.edu.my/jtec/article/view/4105.