TY - JOUR AU - Abbasinia, Ali AU - morshedi, jafar AU - Zohoriyan, Mnizheh AU - Ghorbaniyan, Jebrael TI - Analysis and Comparison of SPI and GRI Indices in Assessing Meteorological Drought and Groundwater, Case Study: Mehran Plain, Ilam Province JO - Physical Geography Quarterly VL - 14 IS - 51 SP - 95 EP - 114 PY - 2021 DO - ER -