List of Articles treatment. Open Access Article Abstract Page Full-Text 1 - Investigation of arsenic removal methods from drinking water with emphasis on metal nanoparticles (titanium dioxide and zinc oxide) and activated carbon Nastuna Ghanbari Sagharloo Mohammad rabani Lida salimi Hossein Ghafourian Seyed mohammad taghi SadatiPour 10.22034/jest.2021.62932.5489 Open Access Article Abstract Page Full-Text 2 - Performance of carboxymethyl cellulose and alginate nanocomposite hydrogel containing graphene oxide nanosheets for removal of methylene blue dye سید جمال الدین پیغمبردوست Abbas Mostafaei Parisa Mohammadzadeh Pakdel Mousa Mohammadpourfard Open Access Article Abstract Page Full-Text 3 - Health Protection Measures in Safavīd Irān mohammad ali parghoo javad alipoor silab Open Access Article Abstract Page Full-Text 4 - Presenting the model of deviant behavior management components based on organizational culture in the Ministry of Health and Medicine: theme analysis method Meysam Maghsoudi Ashtiyani محمدرضا ربیعی مندجین Vahid Araei 10.30495/ECJ.1403.1115539