Unveiling provenance of salinity and groundwater quality appraisal using hydrogeochemical, stable isotopes (δ2H, δ18O, δ13C) and multivariate statistical tools in the sedimentary rocks-pleistocene Epoch, Mirpur, Azad Jammu Kashmir - Qamar, Asmoon; Waqar-Un-Nisa; Javed, Tariq; Butt, Saira; Robab, Um-e; Abid, Jawaria (Applied Water Science, 2026)