Hamidzadeh, S. M., A. Aziz, M. A. Mohamed, S. Vaidyanathan, and M. D. Johansyah. “CHAOS CONTROL IN PERMANENT MAGNET SYNCHRONOUS MOTOR BY SLIDING MODEL CONTROLLER WITH LYAPUNOV OBSERVER UNDER UNKNOWN INPUTS”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 20, no. 1, Nov. 2025, pp. 0541-56, doi:10.30598/barekengvol20iss1pp0541-0556.