List of Articles response level Open Access Article Abstract Page Full-Text 1 - Experimental Investigation of the Effect of Diesel-Biodiesel Blends on Brake Torque Characteristics and Specific Fuel Consumption in Diesel Engines soodeh shaghaghi Mohammad Ghahderijani Mohammad hadi Dehrouyeh 10.30495/jest.2024.48956.4894 Open Access Article Abstract Page Full-Text 2 - Evaluation and Optimization of Waste Collection and Transportation System in Urmia by Combining the Response Surface and Artificial Neural Network Saeid JafarzadehGhoushchi Shabnam Hamidi- Moghaddam 10.22034/jest.2020.27028.3603