(1)
Department of Occupational Health and Safety, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia
,
(2)
The Indonesian Industrial Hygine, Occupational Health and Safety Association, Indonesia
,
(3)
Department of Occupational Health and Safety, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia
,
(4)
Department of Occupational Health and Safety, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia