Document Type : Original Article
. (2001). . Qabasat, 6(20-21), 41-47.
. "", Qabasat, 6, 20-21, 2001, 41-47.
. (2001). '', Qabasat, 6(20-21), pp. 41-47.
, "," Qabasat, 6 20-21 (2001): 41-47,
. . Qabasat. 2001;6(20-21):41-47 (In Persian).
