Prayogi, A. R. Y., A. R. Tualeka, A. Ahsan, P. Rahmawati, S. S. Russeng, and I. H. Susilowati. “The Determination of Safe Concentration of Non-Carcinogenic Toluene in Surabaya Printing”. The Indonesian Journal of Occupational Safety and Health, vol. 9, no. 3, Nov. 2020, pp. 360-8, doi:10.20473/ijosh.v9i3.2020.360-368.