Syafar, M., & Wahab, A. W. (2015). Analysis of Benzene Concentration Effects at Workplace to the Phenol Concentration in Urine of Painting Workshop Labors in Makassar, Indonesia. International Journal of Sciences: Basic and Applied Research (IJSBAR), 21(2), 439-445. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/3851