Document Type : Original Article
. (2001). . Qabasat, 6(20-21), 48-56.
. "", Qabasat, 6, 20-21, 2001, 48-56.
. (2001). '', Qabasat, 6(20-21), pp. 48-56.
, "," Qabasat, 6 20-21 (2001): 48-56,
. . Qabasat. 2001;6(20-21):48-56 (In Persian).
