List of Articles Open Access Article Abstract Page Full-Text 1 - Economic, social, and environmental aspects of using biofuels Mohammad Safari Gholamhossein Safari Open Access Article Abstract Page Full-Text 2 - Analysis and identification of safety risks in construction projects with JSA method, using PHA-pro software Abbas Babapour alireza Eyvazzadeh Kalejahi Reza Hajimohammadi Open Access Article Abstract Page Full-Text 3 - Investigating the reduction of toxicity of the tailings obtained from the processing unit of zinc extraction by solvent extraction method Hamid Rahati Asiabar Seyed Mehdi Barqai Roya MafigholamI Open Access Article Abstract Page Full-Text 4 - A review on the Smart Polymer Nanocomposites and their Applications Aida AdinehAsl Farzaneh Ghaffari Mehrab Fallahi-Samberan Open Access Article Abstract Page Full-Text 5 - Feasibility of using smart mobile phone application in chemistry education Younes Karimi Fardinpour Open Access Article Abstract Page Full-Text 6 - Effects of pesticides in the environment and its biodegradation Ahmad Asl hashemi Leila Tarwardizadeh Sahra Sakhaifar