List of Articles پاسخدهی Open Access Article Abstract Page Full-Text 1 - The Effect of Components of Social Media Marketing Activities through Brand Value on Customer Responsibility in the Tourism Industry firouze hajialiakbari narges moosavi Open Access Article Abstract Page Full-Text 2 - Treatement of the Wastewater from E-PVC Unit in a Petrochemical Company Using Electrocoagulation Method Hossein Hosseini Ali-Akabr Azemati Mohammad Reza Mousavinia 10.30495/jest.2018.13750 Open Access Article Abstract Page Full-Text 3 - Comparison of Hydrogen Sensors with Capacitive Structures Using Ni Thin Film and Pd Nanoparticles for Monitoring of 1% Hydrogen Concentration G. Behzadi Pour L. Fekri Aval H. Nazarpour Fard Open Access Article Abstract Page Full-Text 4 - The Effect of the Rate of Sensing and Responding to the Technological Changes on Business Opportunity of Corporates Saeid Mortazavi Alireza Amini