Norli Hisham L, Sahak NH, Zainal Abidin MKA. A Study on the Gap of Health, Safety and Environmental Related Matters Between Employees and Contractors in an Oil and Gas Company, Port Klang. peat [Internet]. 2023 May 25 [cited 2024 Apr. 30];4(1):147-51. Available from: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/10097