(3Gdabg GdGSdGej hGOdJg(B:s (3GdagGQS GdYGeI(B/s - (3GdRMjdj,hgIs ((3OeTb(B[(3ShQjG(B]:s (3OGQ GdacQ,s, 1997)
Keywords: (3Gdabg GdGSdGejs