Assessment of groundwater intrinsic vulnerability using GIS-based DRASTIC method in district Karak, Khyber Pakhtunkhwa, Pakistan - Muneer, Muhammad; Khan, Mumtaz Ali; Shinwari, Fayaz Ullah; Ahmed, Ijaz; Siyar, Syed Mamoon; Alshehri, Fahad; Shahab, Muhammad (Frontiers in Water, 2025)