MOHD AMRI BIN LAJIS, MUHAMMAD QARNI BIN MOHD AMRI, et al. “Evaluation on the Effectiveness of Safe Work Practices (SWP) Via Observation and HIRARC Analysis at Assembly Process Area in Manufacturing Industry”. Progress in Engineering Application and Technology, vol. 4, no. 2, Dec. 2023, pp. 1049-57, https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/12797.