(3aLQ GdYde GdMOjK (B: s (3GdESdGe (B- (3GdUjf (B- (3GdZQH (B/ s - (3C(B.(3ga, JhHjs; (3UHMj, CMeO eMehOs ((3GdchjJ (B:s (3GdeLdS GdhWfj ddKbGaI,s, 1997)
Keywords: (3GdESdGes; (3GdUjfs; (3GdZQHs; (3GdMVGQIs