Israa Salman Dalaas, and Riedh Abass Abduljabar. “Study the Physical and Chemical Properties of Groundwater in the Al-Alam Within the Province of Salah Al-Din”. Tikrit Journal of Pure Science, vol. 23, no. 3, May 2018, pp. 1-5, doi:10.25130/tjps.v23i3.493.