List of Articles جوش نقطهای لیزر Open Access Article Abstract Page Full-Text 1 - Investigation and Optimization Of the Parameters Affecting the Strength Of Nd:YAG Pulsed Laser Spot Welding in Steel Sheet Using Design Of Expriment Abbasali Habibollahi Nasrollah Bani mostafa Arab Ali Dehghani Amir Alinaghizadeh