Razlan Musa, T. Arif, Zulkifli Ahmad, Hamzah. Smoking in the workplace: Smoking pattern and attitude to towards smoking policies. Malays J Med Sci [Internet]. 1999 Jan. 31 [cited 2026 Oct. 20];6(1):23-6. Available from: https://ejournal.usm.my/mjms/article/view/mjms_vol6-no-1-1999_5