1. Occupational safety and health act,2021
2. WSH Resources Singapore: Ministry of Manpower; [cited 2023 Aug 8]. Available from: https://www.mom.gov.sg/workplace-safety-and-health/wsh-resources.
3. BS ISO 45001: 2018: occupational health and safety management systems-requirements with guidance for use,2018
4. Guidance on risk assessment at work Luxembourg: European Commission,1996
5. Current Intelligence Bulletin 69: NIOSH practices in occupational risk assessment;Daniels,2020