Al-Sheikh, O. N.; Al-Shamma’a, A. M. Using Geographic Information System (GIS) to Estimate the Volume of Water for Al Dammam Unconfined Aquifer Within Al Salman Basin, Al- Muthana Governorate, South West Iraq. Iraqi Journal of Science 2019, 60 (7), 1478-1485. https://doi.org/10.24996/ijs.2019.60.7.8.