radhy saad, A. (2011). Students gain over the average of the second row of the concepts contained within a historical textbook. , 0(49), 444-477.
ali radhy saad. "Students gain over the average of the second row of the concepts contained within a historical textbook". , 0, 49, 2011, 444-477.
radhy saad, A. (2011). 'Students gain over the average of the second row of the concepts contained within a historical textbook', , 0(49), pp. 444-477.
radhy saad, A. Students gain over the average of the second row of the concepts contained within a historical textbook. , 2011; 0(49): 444-477.