Document Type : Scientific-research
. (2006). . The Mirror of Knowledge, 6(1), 16-.
. "", The Mirror of Knowledge, 6, 1, 2006, 16-.
. (2006). '', The Mirror of Knowledge, 6(1), pp. 16-.
, "," The Mirror of Knowledge, 6 1 (2006): 16-,
. . The Mirror of Knowledge. 2006;6(1):16- (In Persian).
