List of Articles Zohreh Ostadhashemi Article 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 Geotechnical Geology , Issue 1 , Year , Summer 2008