فهرس المقالات Zohreh Ostadhashemi المقاله 1 - Improvement in GIS-based DRASTIC model using statistical methods and analytical hierarchy process, case study: Hamedan-Bahar plain, west of Iran علی اکبر متکان Hamidreza Naseri Zohreh Ostadhashemi journal of Geotechnical Geology , العدد 1 , السنة 4 , تابستان 2008