. (2009). . University Textbooks; Research and Writting, 14(23), 19-35.
. "", University Textbooks; Research and Writting, 14, 23, 2009, 19-35.
. (2009). '', University Textbooks; Research and Writting, 14(23), pp. 19-35.
, "," University Textbooks; Research and Writting, 14 23 (2009): 19-35,
. . University Textbooks; Research and Writting. 2009;14(23):19-35 (In Persian).
