K. Z. Mohd Azmi, Z. Ibrahim, D. Pebrianti, M. F. Mat Jusof, N. H. Abdul Aziz, and N. A. Ab. Aziz, “Enhancing Simulated Kalman Filter Algorithm using Current Optimum Opposition-based Learning”, Mekatronika: J. Intell. Manuf. Mechatron., vol. 1, no. 1, pp. 1–13, Jan. 2019.