Seerwan Sulieman Noon. Estimation the Variogram Function Indicator which represent the Transmissivity Coefficient in the groundwater. Tikrit J. Pure Sci. [Internet]. 2020 Dec. 18 [cited 2024 May 18];25(5):110-8. Available from: https://tjps.tu.edu.iq/index.php/tjps/article/view/299