List of Articles organic materials Open Access Article Abstract Page Full-Text 1 - Investigation the Dependence of Mobility on Carrier Concentration and Temperature in Organic Semiconductors Ali Mahmoudloo 10.30495/jptc.2023.70455.1244 Open Access Article Abstract Page Full-Text 2 - Comparative Investigation of Bio and Mineral Absorbents on Water Salinity Reduction fatemeh shokriyan K. Solaimani Gh. Nematzadeh P. Biparva 10.22034/jest.2018.24400.3353 Open Access Article Abstract Page Full-Text 3 - A Survey on Efficiency of Natural Wastewater Treatment Systems and Activated Sludge for Municipal Wastewater Treatment Reza Shokoohi Abdollah Dargahi Amir Karami 10.30495/jest.2018.15742.2426 Open Access Article Abstract Page Full-Text 4 - Removal of organic substances in aerobic and anaerobic brouch tannery wastewater Ahmad Asl hashemi