Hadi, Muhamad Sukri, et al. “PID CONTROLLER TUNED BY METAHEURISTIC ALGORITHM USING ANT LION OPTIMIZER FOR VIBRATION CONTROL OF HORIZONTAL FLEXIBLE STRUCTURE ”. Jurnal Mekanikal, vol. 49, no. 1, June 2026, pp. 31-47, doi:10.11113/jm.v49.639.