Sbeira, F. ., and M. . . Sultan. “Cooperative Learning in the Collection of Basic Fourth Grade in Science and Health Education Students Quasi-Experimental Study in the City of Lattakia”. Tishreen University Journal- Arts and Humanities Sciences Series, vol. 38, no. 4, Jan. 2017, https://journal.tishreen.edu.sy/index.php/humlitr/article/view/2361.