S. M. ELNakeib, F. K. Elyaagubi, M. A. Alrabib, E. A. Abouzed, and E. H. S. Wanis, “ASSESSMENT OF HEAVY METAL CONTAMINATION OF SOIL SAMPLES COLLECTED FROM THE AREA AROUND AL-MARQUB CEMENT PLANT: Issue 3-Journal of Applied Science September (2019)”, JAS, Sep. 2019.