Boran, A. M., Z. Al-Hourani, A. J. Al-Khatib, A. Zard, M. Muhammad, F. Laiche, S. Ado Haruna, A. M. Qasem, and M. A. Alkhatatbeh. “EXPLORING THE TOXICITY LEVELS OF CHROMIUM AMONG WELDERS”. European Scientific Journal, ESJ, Vol. 10, no. 15, May 2014, doi:10.19044/esj.2014.v10n15p%p.