BIN SULKIFLI MA. The Improvement Of Safety Analysis Form (HIRARC) For Manual Tamping Works In Keretapi Tanah Melayu Berhad (KTMB): -. peat [Internet]. 2023 Dec. 21 [cited 2026 Aug. 15];4(2):1117-28. Available from: https://periodical.uthm.edu.my/index.php/peat/article/view/12626