List of Articles Geographic Information System(GIS) Open Access Article Abstract Page Full-Text 1 - Preparation of distribution maps and biodiversity assessment of weeds in canola agroecosystems using geographic information system (GIS) (Case study of Sorkhankalateh region, Gorgan County) Razeyeh Shahi Hossein Kazemi Behnam Kamkar Ahmad Nadimi Mohsen Hosseinalizadeh Hasan Yeganeh Open Access Article Abstract Page Full-Text 2 - Designing socio-economic database in GIS (a case study of Ardebil province) alireza estelaji