Salma, E.R.H. and Rohimtualeka, A. and Pudji Rahmawati and Syamsiar S. Russeng and Wahyu, A. (2019) The safe concentration determination for public health problems due to inhalation of air containing hydrogen sulfide around industrial area of medan indonesia. Indian Journal of Public Health Research and Development, 10 (9). pp. 999-1005.