@article{ author = {Zarei, Mahdi, Boroughani, Mahdi, alavinia, Seyed Hassan}, title = {Estimating base-flow to assess environmental flow in the rivers of arid and semi-arid regions (Case study: Shamkan river, Sabzevar)}, journal = {Water Resources Engineering}, year = {2020}, volume = {13}, number = {1}, pages = {37-51}, doi = {} }