SAHRAOUI, H., R. ATTIA, H. HAMROUNI, and M. HACHICHA. “Assessment of Trace Elements Contamination of Agricultural Topsoil Around Lakhouat Mine Area, Tunisia”. Walailak Journal of Science and Technology (WJST), vol. 13, no. 11, Nov. 2015, pp. 965-76, https://wjst.wu.ac.th/index.php/wjst/article/view/1743.