HEYDARI, P. .; VARMAZYAR, S. .; AHMADI, S. .; SHAMSEDDIN ALIZADEH, S. .; FALLAHI, A. . Evaluating the semi-quantitative risk of occupational exposure to chemicals in one of the petrochemical industries. Scientific Journal of Review, v. 5, n. 7, p. 435-439, 17 Jul. 2016.