Shahid, Syed Umair Groundwater Quality Assessment and its Correlation with Gastroenteritis using GIS: A Case Study of Rawal Town / Syed Umair Shahid. - Islamabad : IGIS - NUST, 2012. - 76 p. : ill. ; 30cm. Subjects--Topical Terms: Remote Sensing and GIS - MS Theses.