(1) Public Health Bachelor Program, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia ,

(2) Departement of Occupational Health and Safety, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia ,

(3) Area Manager Medical, PT Pertamina Patra Niaga Regional Jatimbalinus, Surabaya, Indonesia

(1) Department of Occupational Safety and Health, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia ,

(2) Department of Occupational Safety and Health, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia; Master of Occupational Health Science Study Program, Faculty of Medicine, Universitas Gadjah Mada, Indonesia ,

(3) Department of Occupational Safety and Health, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia ,

(4) Department of Occupational Safety and Health, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia ,

(5) Department of Occupational Safety and Health, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia