Setyawan, Y. A., S. Y. Arini, and S. Widodo. “Evaluation of the Implementation of the Local Exhaust Ventilation System in the Testing Laboratory”. The Indonesian Journal of Occupational Safety and Health, vol. 11, no. 1, Mar. 2022, pp. 83-93, doi:10.20473/ijosh.v11i1.2022.83-93.