Document Type : Scientific-research
. (2006). . The Mirror of Knowledge, 6(1), 33-.
. "", The Mirror of Knowledge, 6, 1, 2006, 33-.
. (2006). '', The Mirror of Knowledge, 6(1), pp. 33-.
, "," The Mirror of Knowledge, 6 1 (2006): 33-,
. . The Mirror of Knowledge. 2006;6(1):33- (In Persian).
