Nassour, R. . . “Impact of Using the Survey Method in Geometry, on Logical Mathematics Thinking Development Among Students from First Year Secondary School (aguasi Experimental Study in Lattakia City)”. Tishreen University Journal- Arts and Humanities Sciences Series, vol. 38, no. 3, Jan. 2017, https://journal.tishreen.edu.sy/index.php/humlitr/article/view/2353.