Haftu Z, Estifanos S. Investigation of physico-chemical Characteristics and Heavy Metals Concentration Implying to the Effect of Local Geology on Surface Water Quality of Werii Catchment, Tigray, Ethiopia. EQA [Internet]. 2020Jan.1 [cited 2024Apr.24];40:11-8. Available from: https://eqa.unibo.it/article/view/10602