The participation of lecturer Ali Jawad Kadhim Alrubaie, with two scientific papers in the Fourth International Scientific Conference for Engineering Sciences and Advanced Technology, which was held by the Iraqi Academics Syndicate on 7-8 May <br />The first paper is titled <br />(FABRICATION AND OPTICAL SENSOR DEVICE BASED ON D-FIBER SHAPE COATED WITH GRAPHENE OXIDE) <br />The second paper is entitled <br />(Invented D-FIBER OPTICS SENSOR DESIGN AND FABRICATION)