List of Articles تصفیه هوازی Open Access Article Abstract Page Full-Text 1 - Study on Biological Removal of Cyanide from Artificial Sewage and Identify Resistant Microorganisms to Cyanide mirmehrdad mirsanjari gholamreza siyadati 10.22034/jest.2020.23305.3237 Open Access Article Abstract Page Full-Text 2 - 8 Nader Mokhtarani Hossein Ganjidust Manijhe Khaleghi Sarnamy Mahdi Borgheie Open Access Article Abstract Page Full-Text 3 - Removal of organic substances in aerobic and anaerobic brouch tannery wastewater Ahmad Asl hashemi