AL-Dulaimi, A. M., and A. M. Al- Shamma’a. “Use Isotopes to Identity the Origin of Surface Water and Groundwater in Ameriyat AL-Fallujah, Center Iraq”. Iraqi Journal of Science, Vol. 59, no. 4C, Dec. 2018, pp. 2249-56, https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/536.