(3GdLh h JbdHGJg (B/ s - (3JGfjgd, EjaGf QGjs; (3GdafOj, eMeO LeGd GdOjfs ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1992)
Keywords: (3GdCQUGO GdLhjIs; (3GdCMhGd GdLhjIs; (3fGTFhf UZGQ (B(10-14) (3SfIs