. (2009). . (e94747). The Mirror of Knowledge, 9(2), e94747
. "" .e94747 , The Mirror of Knowledge, 9, 2, 2009, e94747.
. (2009). '', The Mirror of Knowledge, 9(2), e94747.
, "," The Mirror of Knowledge, 9 2 (2009): e94747,
. . The Mirror of Knowledge. 2009;9(2):e94747 (In Persian).
