(3CaYGd GdQShd Udi Gddg Ydjg hSde hOdGdJgG Ydi GdCMcGe (B/s - (3YHO GdbGOQ, eMeO GdYQhSj,s ((3LOI (B:s (3OGQ GdeLJeY ddfTQ hGdJhRjY ,s, 1991)
Keywords: (3MLjI GdSfIs; (3GdCMcGe GdTQYjIs; (3CUhd Gdabg GdESdGejs