Ebrahimi Kargarshirazy, nafisa, Saadat, Saeed, javanbakht, mohamamd. An Environmental Evaluation of Heavy Metals’ Soil Contamination of Shourab Region (South Kashmar – Khorasan Razavi). Journal of Environmental Science and Technology. 2020;22(5):73-84. 10.22034/jest.2020.35224.4236