TY - SER AU - Raza, Ahmed AU - Farooqi, Abida AU - Javed, Asif AU - Ali, Waqar TI - Effect of Human Settlements on Surface and Groundwater Quality: Statistical Source Identification of Heavy and Trace Metals of Siran River and its Catchment Area Mansehra, Pakistan KW - Groundwater KW - Surface Water KW - Trace Elements ER -