BIN SULKIFLI, MOHAMAD ARIF. 2023. “The Improvement Of Safety Analysis Form (HIRARC) For Manual Tamping Works In Keretapi Tanah Melayu Berhad (KTMB): -”. Progress in Engineering Application and Technology 4 (2): 1117-28. https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/12626.