List of Articles Optimal condition Open Access Article Abstract Page Full-Text 1 - The efficiency of the green magnetic nanocomposite based on manganese ferrite for the removal of tetracycline in the presence of ultraviolet light Fatemeh Golrizkhatami Lobat Taghavi Negin Nasseh Homayon Homayon Ahmad Panahi Open Access Article Abstract Page Full-Text 2 - Prediction of Phenol Adsorption by Sawdust from Wastewater Using Intelligent Methods Mohsen Keshavarz Tork Ahad Ghaemi Mansour Shirvani 10.22034/jest.2019.13948 Open Access Article Abstract Page Full-Text 3 - Investigating the biodegradation of phenanthrene and the optimal conditions for decomposition by Bacillus Mojavensis isolated from the contaminated soils of Darkhovin oil field maryam abbasi Farshid Kafilzadeh Azar Sabokbar Azam Haddadi Open Access Article Abstract Page Full-Text 4 - Analysis of desirable indicators of a comprehensive education system dedicated jobs in the supervisory organization Using the mixed method Masoomeh Bagheri Fardin Batmani Fardin Abdollahi 10.30495/jedu.2022.26621.5318