List of Articles Mojtaba Moradi Article 1 - Effect of using a Dynamic Absorber On Vibrations of an Opposed-Piston Ultralight Aircraft Engine 10.30495/admt.2021.1907260.1212 Mohammad Reza Najafi Saied Mahjoub Moghadas Mojtaba Moradi International Journal of Advanced Design and Manufacturing Technology , Issue 54 , Year , Winter 2024