فهرس المقالات GholamHosein Dehghan المقاله 1 - Investigation of Machining Parameters in Wire Electrical Discharge Machining (WEDM) on the Surface Roughness & Cutting Speed of Tungsten Carbide Mehdi Jafarian GholamHosein Dehghan Abbas Vafaeisefat International Journal of Advanced Design and Manufacturing Technology , العدد 1 , السنة 2 , بهار 2009