TY - JOUR AU - Zarei, Mahdi AU - Boroughani, Mahdi AU - alavinia, Seyed Hassan TI - Estimating base-flow to assess environmental flow in the rivers of arid and semi-arid regions (Case study: Shamkan river, Sabzevar) JO - Water Resources Engineering VL - 13 IS - 1 SP - 37 EP - 51 PY - 2020 DO - ER -