List of Articles Mehdi Mahammadi Article 1 - The Effect of Power and Maximum Cutting Speed on the Material Removal Rate and Cutting Volume Efficiency in CO2 Laser Cutting of Polycarbonate Sheets 20.1001.1.27170314.2020.9.1.1.3 Majid Hashemzadeh Mehdi Mahammadi Journal of Modern Processes in Manufacturing and Production , Issue 1 , Year , Winter 2020