List of Articles فاکتور آلودگی Open Access Article Abstract Page Full-Text 1 - Assessment of geochemical and distribution of heavy metals Pb, Cu, Zn and Ni in the Aras free trade-industrial zone Shahram Shahmohammadi Kalalagh Nader Habibzadeh Open Access Article Abstract Page Full-Text 2 - An Environmental Evaluation of Heavy Metals’ Soil Contamination of Shourab Region (South Kashmar – Khorasan Razavi) nafisa Ebrahimi Kargarshirazy Saeed Saadat mohamamd javanbakht 10.22034/jest.2020.35224.4236 Open Access Article Abstract Page Full-Text 3 - Investigation of the effects of agricultural activities on the accumulation of cadmium, cobalt and chromium in soil Ali Shahbazi AliReza Soffianian Norolah Mirghaffari 10.22034/jest.2020.10238 Open Access Article Abstract Page Full-Text 4 - Geochemical and Environmental Assessment of the Heavy Metals in Robat Sefid Rigion (south of mashhad) Soil Mohammad Ebrahim Fazel Valipour Banafshe Fazelvalipoor Rahim Dabiri