Yasir Ahmed khudhair, Sabbar Abdullah Salih, Ghazi Atiya Zarraq. Applying a mathematical model to simulate the ground water reservoir in Al-Alam area /Northeast Tikrit city/Iraq. Tikrit J. Pure Sci. [Internet]. 2021 Jul. 10 [cited 2024 May 19];26(3):60-6. Available from: https://tjps.tu.edu.iq/index.php/tjps/article/view/143