صقور أكرم, and عمران جلال. 2020. “Properties of Normative Behavior With Tension of the Light Locally Produced Sandwich Panels With Two Steel Faces and a Core of Polyurethane (PUR)”. Tishreen University Journal -Engineering Sciences Series, 42 (4). https://journal.tishreen.edu.sy/index.php/engscnc/article/view/9925.