. (2009). . University Textbooks; Research and Writting, 14(23), 100-116.
. "", University Textbooks; Research and Writting, 14, 23, 2009, 100-116.
. (2009). '', University Textbooks; Research and Writting, 14(23), pp. 100-116.
, "," University Textbooks; Research and Writting, 14 23 (2009): 100-116,
. . University Textbooks; Research and Writting. 2009;14(23):100-116 (In Persian).
