Document Type : Promotive article
. (2005). . Nivar, 30(56-57), 33-55.
. "", Nivar, 30, 56-57, 2005, 33-55.
. (2005). '', Nivar, 30(56-57), pp. 33-55.
, "," Nivar, 30 56-57 (2005): 33-55,
. . Nivar. 2005;30(56-57):33-55 (In Persian).
