فهرس المقالات Mehdi Mahammadi المقاله 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 , العدد 1 , السنة 9 , زمستان 2020